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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 362 |
| 3 | 146450 |
| 4 | 234522884 |
| 5 | 6807857991672 |
| 6 | 869962821793011472 |
| 7 | 2352463379908322901560928 |
| 8 | 36305094521738344415450726082096 |
| 9 | 13237525270352155405709985211985066209696 |
[1,10,362,146450,234522884,6807857991672, 869962821793011472,2352463379908322901560928, 36305094521738344415450726082096, 13237525270352155405709985211985066209696] |