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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 228 |
| 2 | 51755 |
| 3 | 11748157 |
| 4 | 2666779884 |
| 5 | 605347285511 |
| 6 | 137411167031113 |
| 7 | 31191729568777140 |
| 8 | 7080385200945379667 |
| 9 | 1607216248885032407269 |
| 10 | 364831008111701411070396 |
| 11 | 82815031625107335280572623 |
[1,228,51755,11748157,2666779884,605347285511, 137411167031113,31191729568777140, 7080385200945379667,1607216248885032407269, 364831008111701411070396, 82815031625107335280572623] |