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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 138 |
| 4 | 3568 |
| 5 | 277606 |
| 6 | 66136452 |
| 7 | 48136454388 |
| 8 | 106601739449932 |
| 9 | 716581962133166734 |
| 10 | 14594259085593605592840 |
| 11 | 899530518959027898354960664 |
| 12 | 167638624754374503965030664785872 |
| 13 | 94397539071875018677962029008899452442 |
| 14 | 160524233982090828046095750880433748533447560 |
[1,12,138,3568,277606,66136452,48136454388, 106601739449932,716581962133166734, 14594259085593605592840, 899530518959027898354960664, 167638624754374503965030664785872, 94397539071875018677962029008899452442, 160524233982090828046095750880433748533447560] |