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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 392 |
| 4 | 130691 |
| 5 | 116268789 |
| 6 | 217138318913 |
| 7 | 735586507699560 |
| 8 | 4097541199291485383 |
| 9 | 34978630555104539011865 |
| 10 | 433956321312627533863411229 |
| 11 | 7507648403517784836450716354400 |
| 12 | 175224359120863022267621776711423115 |
| 13 | 5369536232535958477000676021964993713773 |
[1,5,392,130691,116268789,217138318913, 735586507699560,4097541199291485383, 34978630555104539011865, 433956321312627533863411229, 7507648403517784836450716354400, 175224359120863022267621776711423115, 5369536232535958477000676021964993713773] |