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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 143 |
| 4 | 7429 |
| 5 | 94395 |
| 6 | 70514711 |
| 7 | 68421139647 |
| 8 | 3628781953225 |
| 9 | 180465781280744001 |
| 10 | 1051696554978819009 |
| 11 | 2043771643161196817 |
| 12 | 455757414124192757820663 |
| 13 | 145129235359794615466069 |
| 14 | 1358004768744860147421669766123 |
| 15 | 9043798410819212324167588503127725 |
[1,7,143,7429,94395,70514711,68421139647, 3628781953225,180465781280744001, 1051696554978819009,2043771643161196817, 455757414124192757820663,145129235359794615466069, 1358004768744860147421669766123, 9043798410819212324167588503127725] |