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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 136 |
| 3 | 13012 |
| 4 | 1075258 |
| 5 | 91270219 |
| 6 | 7737459027 |
| 7 | 656008970388 |
| 8 | 55620335387114 |
| 9 | 4715820197535009 |
| 10 | 399835065589298715 |
| 11 | 33900377809514573711 |
| 12 | 2874274212652455298123 |
| 13 | 243697940183994435905588 |
[0,136,13012,1075258,91270219,7737459027, 656008970388,55620335387114,4715820197535009, 399835065589298715,33900377809514573711, 2874274212652455298123,243697940183994435905588] |