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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2812 |
| 2 | 1386392 |
| 3 | 269285556 |
| 4 | 28137206704 |
| 5 | 1845916897708 |
| 6 | 83557240950984 |
| 7 | 2782930973955428 |
| 8 | 71467277069204320 |
| 9 | 1466674706496845660 |
| 10 | 24743381206495954936 |
| 11 | 351105880103089186580 |
| 12 | 4270772016003321129744 |
| 13 | 45246540026342611277836 |
| 14 | 423220749295072435732776 |
[1,2812,1386392,269285556,28137206704, 1845916897708,83557240950984,2782930973955428, 71467277069204320,1466674706496845660, 24743381206495954936,351105880103089186580, 4270772016003321129744,45246540026342611277836, 423220749295072435732776] |