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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 864 |
| 3 | 2016 |
| 4 | 35788 |
| 5 | 789026 |
| 6 | 15983426 |
| 7 | 362523451 |
| 8 | 7903384843 |
| 9 | 176308045666 |
| 10 | 3941879866879 |
| 11 | 87755060397182 |
| 12 | 1960425981130977 |
| 13 | 43770946796249155 |
| 14 | 977291527301161623 |
| 15 | 21823838569731609645 |
| 16 | 487330565461513151643 |
[1,864,2016,35788,789026,15983426,362523451, 7903384843,176308045666,3941879866879, 87755060397182,1960425981130977,43770946796249155, 977291527301161623,21823838569731609645, 487330565461513151643] |