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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 12 |
| 2 | 185 |
| 3 | 3757 |
| 4 | 96454 |
| 5 | 3018824 |
| 6 | 111964040 |
| 7 | 4813480830 |
| 8 | 235727269842 |
| 9 | 12967143328027 |
| 10 | 792113203502422 |
| 11 | 53224214308284463 |
| 12 | 3902445739220008603 |
| 13 | 310108348556403600064 |
| 14 | 26551900616231571763742 |
| 15 | 2437107937223749442138164 |
| 16 | 238735439946016510599661488 |
[1,12,185,3757,96454,3018824,111964040,4813480830, 235727269842,12967143328027,792113203502422, 53224214308284463,3902445739220008603, 310108348556403600064,26551900616231571763742, 2437107937223749442138164, 238735439946016510599661488] |