Listed below are all 435 terms found <= 10^12 for A080371. Any term not listed is > 10^12. Donovan Johnson, Sep 02 2013 a(1) = 2 a(2) = 1 a(3) = 11 a(4) = 23 a(5) = 47 a(6) = 59 a(7) = 191 a(8) = 167 a(9) = 179 a(10) = 239 a(11) = 5119 a(12) = 359 a(13) = 20479 a(14) = 2111 a(15) = 719 a(16) = 839 a(17) = 983039 a(18) = 1259 a(19) = 786431 a(20) = 3023 a(21) = 2879 a(22) = 15359 a(23) = 62914559 a(24) = 3359 a(25) = 22031 a(26) = 266239 a(27) = 6299 a(28) = 6719 a(29) = 13690208255 a(30) = 5039 a(31) = 22548578303 a(32) = 7559 a(33) = 156671 a(34) = 6881279 a(35) = 25919 a(36) = 10079 a(38) = 5505023 a(39) = 479231 a(40) = 21839 a(42) = 33599 a(44) = 138239 a(45) = 35279 a(46) = 138412031 a(48) = 37799 a(49) = 233279 a(50) = 84239 a(51) = 2949119 a(52) = 675839 a(54) = 81899 a(55) = 580607 a(56) = 87359 a(57) = 19660799 a(58) = 7247757311 a(60) = 55439 a(62) = 112742891519 a(63) = 100799 a(64) = 128519 a(65) = 2322431 a(66) = 322559 a(68) = 8847359 a(69) = 188743679 a(70) = 181439 a(72) = 110879 a(75) = 226799 a(76) = 43253759 a(77) = 3732479 a(78) = 2150399 a(80) = 166319 a(81) = 573299 a(84) = 262079 a(85) = 37158911 a(87) = 12079595519 a(88) = 1520639 a(90) = 327599 a(91) = 14929919 a(92) = 1145044991 a(93) = 454192791551 a(95) = 106168319 a(96) = 415799 a(98) = 9564479 a(99) = 2995199 a(100) = 1043279 a(102) = 32440319 a(104) = 3870719 a(105) = 907199 a(108) = 776159 a(110) = 6386687 a(112) = 665279 a(114) = 137625599 a(115) = 12570329087 a(116) = 52344913919 a(117) = 15052799 a(119) = 1098842111 a(120) = 831599 a(121) = 1148857343 a(124) = 318901321727 a(125) = 15389999 a(126) = 1310399 a(128) = 1081079 a(130) = 18247679 a(132) = 3548159 a(133) = 1337720831 a(135) = 1940399 a(136) = 130744319 a(138) = 1321205759 a(140) = 4490639 a(143) = 2660511743 a(144) = 1441439 a(145) = 108716359679 a(147) = 8164799 a(150) = 2948399 a(152) = 302776319 a(153) = 103219199 a(154) = 41057279 a(155) = 434865438719 a(156) = 21934079 a(160) = 2827439 a(161) = 168170618879 a(162) = 5997599 a(165) = 14515199 a(168) = 3326399 a(169) = 28298170367 a(170) = 1088225279 a(171) = 648806399 a(174) = 84557168639 a(175) = 35639999 a(176) = 18385919 a(180) = 4989599 a(182) = 104509439 a(184) = 3963617279 a(186) = 338228674559 a(187) = 27088846847 a(189) = 7761599 a(190) = 1634992127 a(192) = 6320159 a(195) = 281014271 a(196) = 17962559 a(198) = 32947199 a(200) = 6486479 a(204) = 309657599 a(207) = 12268339199 a(208) = 80424959 a(209) = 108355387391 a(210) = 11793599 a(216) = 10533599 a(220) = 72575999 a(221) = 881596846079 a(224) = 11309759 a(225) = 17463599 a(228) = 1073479679 a(230) = 11890851839 a(231) = 317260799 a(232) = 398626652159 a(234) = 70963199 a(238) = 2627665919 a(240) = 12972959 a(242) = 6953610239 a(243) = 64915199 a(245) = 560105279 a(250) = 115829999 a(252) = 22276799 a(255) = 1300561919 a(256) = 20540519 a(260) = 127733759 a(264) = 67415039 a(266) = 50642288639 a(270) = 34927199 a(272) = 805109759 a(273) = 731566079 a(275) = 881279999 a(276) = 19818086399 a(280) = 25945919 a(285) = 10321919999 a(286) = 18623582207 a(288) = 24504479 a(294) = 155131199 a(297) = 124185599 a(300) = 32432399 a(304) = 3220439039 a(306) = 2374041599 a(308) = 287400959 a(312) = 269660159 a(315) = 107956799 a(320) = 53721359 a(322) = 107017666559 a(324) = 65973599 a(325) = 2280959999 a(330) = 159667199 a(336) = 83603519 a(338) = 250329968639 a(340) = 3158507519 a(342) = 4541644799 a(343) = 13850999999 a(345) = 93428121599 a(350) = 521639999 a(351) = 496742399 a(352) = 292131839 a(357) = 15527116799 a(360) = 61261199 a(363) = 16628198399 a(364) = 2403717119 a(368) = 67381493759 a(374) = 135444234239 a(375) = 912869999 a(378) = 100900799 a(380) = 14120386559 a(384) = 82162079 a(385) = 6065279999 a(390) = 1103155199 a(392) = 360884159 a(396) = 337075199 a(399) = 103004504063 a(400) = 161164079 a(405) = 439084799 a(408) = 4025548799 a(414) = 72666316799 a(416) = 723824639 a(420) = 289396799 a(425) = 43130879999 a(429) = 149653785599 a(432) = 136936799 a(440) = 415134719 a(441) = 628689599 a(448) = 214885439 a(450) = 296881199 a(455) = 36287999999 a(456) = 11808276479 a(459) = 12283084799 a(460) = 154581073919 a(462) = 1437004799 a(468) = 922521599 a(475) = 145981439999 a(476) = 21737963519 a(480) = 232792559 a(483) = 535088332799 a(484) = 76489712639 a(486) = 623750399 a(490) = 4169879999 a(495) = 1117670399 a(500) = 1060289999 a(504) = 273873599 a(507) = 380936908799 a(510) = 24710676479 a(512) = 397837439 a(513) = 49958092799 a(520) = 2868203519 a(525) = 3929309999 a(528) = 784143359 a(532) = 73574645759 a(539) = 431567999999 a(540) = 663616799 a(544) = 8856207359 a(546) = 8883302399 a(550) = 4717439999 a(552) = 188932423679 a(560) = 596756159 a(561) = 677221171199 a(567) = 1109908799 a(570) = 40874803199 a(572) = 143909498879 a(576) = 410810399 a(585) = 7722086399 a(588) = 1706443199 a(594) = 2111155199 a(595) = 209018879999 a(600) = 940539599 a(605) = 718035839999 a(608) = 46324776959 a(612) = 25495142399 a(616) = 5460618239 a(624) = 2767564799 a(625) = 21392909999 a(630) = 1427025599 a(640) = 698377679 a(648) = 980179199 a(650) = 38776319999 a(660) = 2714342399 a(665) = 836075519999 a(672) = 735134399 a(675) = 2951348399 a(680) = 72114831359 a(684) = 82657935359 a(686) = 96956999999 a(693) = 11887948799 a(700) = 3243239999 a(702) = 10147737599 a(704) = 4161991679 a(714) = 309347942399 a(720) = 1102701599 a(726) = 116397388799 a(728) = 33338511359 a(729) = 4439635199 a(735) = 15717239999 a(750) = 7422029999 a(756) = 3034785599 a(760) = 164242391039 a(765) = 71530905599 a(768) = 1396755359 a(770) = 98578529279 a(780) = 14689382399 a(784) = 3969725759 a(792) = 4843238399 a(798) = 434759270399 a(800) = 3197834639 a(810) = 4717112399 a(816) = 61993451519 a(819) = 88519495679 a(825) = 58423679999 a(828) = 944662118399 a(832) = 16647966719 a(840) = 2205403199 a(850) = 693411839999 a(855) = 754325913599 a(858) = 550242201599 a(864) = 2818015199 a(875) = 101130119999 a(880) = 7057290239 a(882) = 11945102399 a(891) = 39615206399 a(896) = 4108103999 a(900) = 3859455599 a(910) = 248209919999 a(912) = 295206911999 a(918) = 162363801599 a(924) = 28870732799 a(936) = 17527910399 a(945) = 13062772799 a(952) = 239117598719 a(960) = 4227022799 a(968) = 522730091519 a(972) = 9282873599 a(975) = 175633919999 a(980) = 38170439999 a(990) = 14529715199 a(1000) = 13783769999 a(1008) = 6299092799 a(1020) = 277762867199 a(1024) = 8031343319 a(1029) = 392930999999 a(1040) = 48759459839 a(1050) = 35085959999 a(1053) = 71034163199 a(1056) = 17190835199 a(1080) = 8147739599 a(1088) = 220042690559 a(1089) = 814781721599 a(1092) = 97716326399 a(1100) = 80196479999 a(1120) = 10144854719 a(1125) = 110457269999 a(1134) = 21088267199 a(1140) = 940120473599 a(1152) = 10708457759 a(1155) = 388644479999 a(1170) = 119431065599 a(1176) = 22183761599 a(1188) = 27445017599 a(1200) = 12681068399 a(1215) = 39956716799 a(1224) = 339487948799 a(1232) = 93405311999 a(1248) = 65868042239 a(1250) = 278107829999 a(1260) = 15437822399 a(1280) = 17459441999 a(1296) = 16295479199 a(1300) = 832440913919 a(1320) = 35286451199 a(1323) = 181691294399 a(1344) = 16908091199 a(1350) = 42454011599 a(1360) = 770490040319 a(1372) = 729728999999 a(1386) = 171003571199 a(1400) = 55135079999 a(1404) = 172511539199 a(1408) = 54105891839 a(1440) = 20951330399 a(1456) = 343731548159 a(1458) = 102111609599 a(1470) = 267193079999 a(1485) = 326258150399 a(1500) = 107837729999 a(1512) = 32590958399 a(1530) = 929901772799 a(1536) = 32125373279 a(1540) = 467026559999 a(1560) = 257383526399 a(1568) = 134270135999 a(1575) = 249729479999 a(1584) = 74493619199 a(1600) = 63405341999 a(1620) = 83545862399 a(1638) = 821966745599 a(1650) = 627419519999 a(1664) = 291701329919 a(1680) = 41902660799 a(1701) = 245289844799 a(1728) = 53542288799 a(1760) = 204661416959 a(1764) = 218334916799 a(1782) = 398759961599 a(1792) = 69837767999 a(1800) = 73329656399 a(1848) = 464152550399 a(1872) = 329340211199 a(1890) = 224302478399 a(1920) = 101264763599 a(1944) = 130363833599 a(1960) = 725238359999 a(1980) = 426645273599 a(2000) = 317026709999 a(2016) = 132280948799 a(2025) = 746691145199 a(2048) = 188972783999 a(2080) = 536354058239 a(2100) = 522161639999 a(2112) = 342670648319 a(2160) = 167610643199 a(2240) = 209513303999 a(2268) = 512878766399 a(2304) = 195545750399 a(2352) = 734399265599 a(2376) = 521455334399 a(2400) = 367750983599 a(2430) = 919004486399 a(2520) = 355069915199 a(2560) = 514005972479 a(2592) = 428338310399 a(2640) = 811588377599 a(2688) = 405059054399 a(2700) = 806626220399 a(2880) = 708853345199 a(3024) = 749592043199 a(3072) = 810118108799