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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 302 |
| 4 | 15619 |
| 5 | 1310354 |
| 6 | 162512286 |
| 7 | 27971176092 |
| 8 | 6382798925475 |
| 9 | 1865385657780650 |
| 10 | 679562217794156938 |
| 11 | 301958232385734088196 |
| 12 | 160755658074834738495566 |
| 13 | 101019988341178648636047412 |
| 14 | 73990373947612503295166622044 |
| 15 | 62481596875767023932367207962680 |
[1,1,11,302,15619,1310354,162512286,27971176092, 6382798925475,1865385657780650,679562217794156938, 301958232385734088196,160755658074834738495566, 101019988341178648636047412, 73990373947612503295166622044, 62481596875767023932367207962680] |