Listed below are 82 terms > 10^12 for A048055. The terms are of two types: 2^m*p with p an odd prime 2^m*p*q with p,q distinct odd primes Donovan Johnson, Sep 12 2013 7872265324544 = 2^11*4111*935023 9596286476288 = 2^13*25411*46099 23479139158016 = 2^11*4099*2796883 518851783499776 = 2^13*16451*3850003 562922036166656 = 2^15*130303*131839 1021191247659008 = 2^15*78487*397063 1363337772285952 = 2^14*33199*2506447 45668757967863808 = 2^17*359231*969919 72073527964008448 = 2^16*133183*8257471 113444902715654144 = 2^17*287107*3014611 302019159275995136 = 2^17*270463*8519551 490879946954702848 = 2^16*131371*57015883 540308089774145536 = 2^17*266663*15458551 617112221179314176 = 2^17*266083*17694451 674366434942517248 = 2^17*265739*19361131 768614334614994944 = 2^30*715827881 788214338417721344 = 2^17*265207*22675111 1267344136697151488 = 2^17*264031*36620959 2305831464354709504 = 2^19*2096123*2098171 2306165714933252096 = 2^19*2072179*2122723 2306324044154667008 = 2^19*2066923*2128267 2448490490883473408 = 2^19*1689367*2764423 2666122801786126336 = 2^19*1533439*3316223 3262654531670376448 = 2^19*1360423*4574327 3311186836067975168 = 2^19*1352107*4670923 4428239075455533056 = 2^19*1239223*6815719 5041250238468718592 = 2^19*1207603*7962403 5816007895259021312 = 2^19*1180243*9399043 7587184118820503552 = 2^19*1143283*12657763 9456401314709241856 = 2^19*1121723*16079419 10125188343999758336 = 2^19*1116223*17301439 11285372102121095168 = 2^19*1108423*19419607 11561194799927656448 = 2^19*1106827*19922923 14179256436701790208 = 2^19*1095067*24696923 15619370656318619648 = 2^19*1090423*27321127 16229989288874868736 = 2^19*1088723*28433539 17026442447032942592 = 2^19*1086703*29884303 20316875510749069312 = 2^19*1080143*35876143 23073510400532676608 = 2^19*1076167*40894423 25600919761978916864 = 2^19*1073311*45494623 30238818062580580352 = 2^19*1069363*53934883 33989056777421324288 = 2^19*1066987*60758923 40437418938665009152 = 2^19*1063963*72491483 56583291980384567296 = 2^19*1059479*101865223 127770181402509180928 = 2^19*1053347*231359923 147646669838599847936 = 2^21*8206243*8579251 167694710715329806336 = 2^21*6230443*12834251 171816627326054039552 = 2^21*6098011*13435291 182467703195280867328 = 2^21*5836351*14907839 198303426226158043136 = 2^19*1051639*359661223 605699086433042563072 = 2^21*4486631*64373431 957564440326908674048 = 2^21*4369699*104492851 2047474458557333635072 = 2^21*4272731*228498331 4743446101151860129792 = 2^22*8987791*125829103 14374118205249309114368 = 2^23*21161887*80972383 18509587230099387711488 = 2^23*19740067*111778483 29670842680024449941504 = 2^23*18379531*192444523 48590466961014379249664 = 2^23*17682871*327573223 919746545696949672083456 = 2^25*84653983*323795551 1185120024983929056395264 = 2^25*78953047*447345991 1667846508001002602364928 = 2^25*74628199*666044471 3110813022702179717218304 = 2^25*70730167*1310748391 6994499054863699853443072 = 2^26*172565647*603979759 54825582400699283437256704 = 2^27*348035591*1173680023 118119744434845384896937984 = 2^27*294975311*2983506223 147164359403545069279510528 = 2^27*288863807*3795767743 2640878296536953425764548608 = 2^29*1718045899*2863147691 3664381998208804078187708416 = 2^29*1368253043*4988436451 3909938137102922059838652416 = 2^29*1337481451*5445180043 4684219856839790991849291776 = 2^29*1273249423*6852576751 4785446120242090266148732928 = 2^29*1267168291*7034257459 4805364660794499066912309248 = 2^29*1266016519*7069962391 7285167598584741227204182016 = 2^29*1184821951*11452929343 8979955564793756856904318976 = 2^29*1160142751*14417597023 11068050595524712713668263936 = 2^29*1141622051*18058385203 13498484719814291702073524224 = 2^29*1128088231*22288050167 16266432490787222430792286208 = 2^29*1118040691*27099721699 18728581419544589383738851328 = 2^29*1111787791*31377122159 845100400152151057831290732544 = 2^50*750599937895081 216345702438951121164773164580864 = 2^54*12009599006321321 249429612771140764706762179212223778964501161836544 = 2^84*12895208742556044530199209 1123331111131276658111125628625815781277856628094345299005846585344 = 2^110*865382809755804604755082721536681