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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 65 |
| 4 | 1495 |
| 5 | 31226 |
| 6 | 652346 |
| 7 | 16721012 |
| 8 | 381369904 |
| 9 | 9009351655 |
| 10 | 233083355837 |
| 11 | 5373732732783 |
| 12 | 130821770741989 |
| 13 | 3240495708022575 |
| 14 | 75383547521530003 |
| 15 | 1859081645190913254 |
| 16 | 44959584675029390497 |
| 17 | 1062939483571455261657 |
[1,7,65,1495,31226,652346,16721012,381369904, 9009351655,233083355837,5373732732783, 130821770741989,3240495708022575, 75383547521530003,1859081645190913254, 44959584675029390497,1062939483571455261657] |