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| n | a(n) |
|---|---|
| 1 | 7056721 |
| 2 | 79397009999 |
| 3 | 443372888629441 |
| 4 | 582920080863121 |
| 5 | 2491924062668039 |
| 6 | 14522256850701599 |
| 7 | 39671149333495681 |
| 8 | 242208715337316001 |
| 9 | 729921147126771599 |
| 10 | 842526563598720001 |
| 11 | 1881405190466524799 |
| 12 | 2380296518909971201 |
| 13 | 3188618003602886401 |
| 14 | 33711266676317630401 |
| 15 | 54764632857801026161 |
| 16 | 55470688965343048319 |
| 17 | 72631455338727028799 |
| 18 | 122762671289519184001 |
| 19 | 361266866679292635601 |
| 20 | 734097107648270852639 |
[7056721,79397009999,443372888629441, 582920080863121,2491924062668039, 14522256850701599,39671149333495681, 242208715337316001,729921147126771599, 842526563598720001,1881405190466524799, 2380296518909971201,3188618003602886401, 33711266676317630401,54764632857801026161, 55470688965343048319,72631455338727028799, 122762671289519184001,361266866679292635601, 734097107648270852639] |