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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 76 |
| 3 | 3904 |
| 4 | 344008 |
| 5 | 39898934 |
| 6 | 5870175231 |
| 7 | 996290832880 |
| 8 | 184906809944845 |
| 9 | 35956430134255744 |
| 10 | 7167834458473450500 |
| 11 | 1446698354699811336454 |
| 12 | 293844456856748839234741 |
| 13 | 59872951529043615795454004 |
[2,76,3904,344008,39898934,5870175231, 996290832880,184906809944845,35956430134255744, 7167834458473450500,1446698354699811336454, 293844456856748839234741, 59872951529043615795454004] |