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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 126 |
| 3 | 90376 |
| 4 | 216456376 |
| 5 | 1303699790001 |
| 6 | 16596702491586251 |
| 7 | 396695587555058190126 |
| 8 | 16336038155342083651640376 |
| 9 | 1085776473843765315524916060126 |
| 10 | 110656003660578876500875377620844376 |
| 11 | 16592064238583710535773294961607940956876 |
[1,1,126,90376,216456376,1303699790001, 16596702491586251,396695587555058190126, 16336038155342083651640376, 1085776473843765315524916060126, 110656003660578876500875377620844376, 16592064238583710535773294961607940956876] |