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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 46 |
| 4 | 551 |
| 5 | 5834 |
| 6 | 58667 |
| 7 | 552131 |
| 8 | 5006366 |
| 9 | 44940852 |
| 10 | 404204977 |
| 11 | 3663002302 |
| 12 | 33489857205 |
| 13 | 308457624821 |
| 14 | 2858876213963 |
| 15 | 26639628671867 |
| 16 | 249393770611256 |
| 17 | 2344318816620308 |
| 18 | 22116397130086627 |
| 19 | 209317712988603747 |
[0,1,46,551,5834,58667,552131,5006366,44940852, 404204977,3663002302,33489857205,308457624821, 2858876213963,26639628671867,249393770611256, 2344318816620308,22116397130086627, 209317712988603747] |