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| n | a(n) |
|---|---|
| 7 | 56581525 |
| 8 | 11100235520 |
| 9 | 1191262520280 |
| 10 | 92809670660096 |
| 11 | 5875149131469024 |
| 12 | 320744781170737152 |
| 13 | 15658287081481903872 |
| 14 | 700135726021459574784 |
| 15 | 29159104554804741742080 |
| 16 | 1145151298823440950099968 |
| 17 | 42804391324225851826851840 |
| 18 | 1533861483718086352674226176 |
[56581525,11100235520,1191262520280, 92809670660096,5875149131469024, 320744781170737152,15658287081481903872, 700135726021459574784,29159104554804741742080, 1145151298823440950099968, 42804391324225851826851840, 1533861483718086352674226176] |