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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2247 |
| 3 | 251595 |
| 4 | 28368687 |
| 5 | 4022141121 |
| 6 | 559929294657 |
| 7 | 77282148036051 |
| 8 | 10681855554910983 |
| 9 | 1476794401334027865 |
| 10 | 204155617303878631797 |
| 11 | 28222820785777362856803 |
| 12 | 3901584177313433415004191 |
[0,2247,251595,28368687,4022141121,559929294657, 77282148036051,10681855554910983, 1476794401334027865,204155617303878631797, 28222820785777362856803,3901584177313433415004191] |