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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 190 |
| 3 | 22914 |
| 4 | 2662621 |
| 5 | 293153088 |
| 6 | 31887740915 |
| 7 | 3446638551402 |
| 8 | 371468654790102 |
| 9 | 39975110751543690 |
| 10 | 4298382440723846915 |
| 11 | 461983943050928774750 |
| 12 | 49641131314106710940001 |
| 13 | 5333311194358170114111884 |
[0,190,22914,2662621,293153088,31887740915, 3446638551402,371468654790102,39975110751543690, 4298382440723846915,461983943050928774750, 49641131314106710940001,5333311194358170114111884] |