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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 76 |
| 2 | 5624 |
| 3 | 416100 |
| 4 | 30785776 |
| 5 | 2277731324 |
| 6 | 168521332200 |
| 7 | 12468300851476 |
| 8 | 922485741677024 |
| 9 | 68251476583248300 |
| 10 | 5049686781418697176 |
| 11 | 373608570348400342724 |
| 12 | 27641984519000206664400 |
| 13 | 2045133245835666892822876 |
| 14 | 151312218207320349862228424 |
[1,76,5624,416100,30785776,2277731324, 168521332200,12468300851476,922485741677024, 68251476583248300,5049686781418697176, 373608570348400342724,27641984519000206664400, 2045133245835666892822876, 151312218207320349862228424] |