# Known values of A260726 up to a(200). # Currently 3 values are missing, namely a(125), a(177) and a(185), # for which a lower bound is provided - Giovanni Resta 1 4 2 8 3 363 4 484 5 5445 6 46464 7 252 8 2138312 9 12321 10 0 11 44 12 23232 13 31213 14 686 15 53187678135 16 44944 17 272 18 24642 19 171 20 0 21 525 22 88 23 575 24 46464 25 5221225 26 62426 27 36963 28 252 29 464 30 0 31 1783799973871 32 291080192 33 2112 34 4114 35 53235 36 69696 37 333 38 20102 39 93639 40 0 41 656 42 858858 43 36163 44 6336 45 5445 46 414 47 27072 48 23232 49 1002001 50 0 51 57478350305387475 52 2774772 53 212 54 49607563136570694 55 59895 56 6776 57 313979313 58 232 59 616303616 60 0 61 1015101 62 270072 63 252 64 69696 65 585 66 4224 67 3637363 68 272 69 5218125 70 0 71 157838751 72 297738837792 73 292 74 666 75 5786921296875 76 40204 77 2772 78 88631666379697366613688 79 9559 80 0 81 12345678987654321 82 89298 83 747 84 48384 85 5614165 86 424606424 87 2384564654832 88 21388312 89 9088497948809 90 0 91 11011 92 828 93 21126362112 94 4106014 95 554979455 96 46464 97 338111833 98 2004002 99 6336 100 0 101 404 102 851161423373324161158 103 70234543207 104 616616 105 54126221812262145 106 424 107 2948492 108 2177712 109 9830049513159400389 110 0 111 444 112 86197279168 113 37832622780377308722623873 114 60306 115 51777715 116 464 117 2774772 118 2726272 119 19581488488418591 120 0 121 484 122 200175050571002 123 82790209728 124 6148269628416 125 ? > 5.22*10^28 126 4247299719179927424 127 573484375 128 291080192 129 636909636 130 0 131 15851 132 2112 133 77652125677 134 60256548138283184565206 135 53187678135 136 46029744792064 137 39593 138 2087802 139 67276 140 0 141 1438341 142 2600194910062 143 7007 144 69696 145 5262056693966502625 146 4369634 147 3006003 148 21312 149 162261 150 0 151 657756 152 29792 153 35177944977153 154 616 155 55955 156 421820212028124 157 5236820286325 158 201103333301102 159 636 160 0 161 486323684 162 8790407027207040978 163 78126462187 164 656 165 58022085 166 47974 167 76907308192029180370967 168 23027628223732282672032 169 676 170 0 171 574573779891198977375475 172 212303212 173 523325 174 696 175 57515593139551575 176 6336 177 ? > 3.5*10^27 178 2692962 179 1946620880266491 180 0 181 160272061 182 22022 183 30932809790823903 184 464585464 185 ? > 4.5*10^27 186 649727946 187 2992 188 27072 189 48384 190 0 191 577775 192 23232 193 731626137 194 607450054706 195 55938083955 196 4008004 197 71117 198 2244664422 199 57778288287775 200 0