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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 272 |
| 3 | 5114 |
| 4 | 242908 |
| 5 | 11013057 |
| 6 | 508895558 |
| 7 | 23660712291 |
| 8 | 1103426578662 |
| 9 | 51504728212214 |
| 10 | 2405230028991235 |
| 11 | 112343236438058707 |
| 12 | 5247698593127586871 |
| 13 | 245134541408802560300 |
| 14 | 11451062337945565153912 |
| 15 | 534920604669153194413527 |
[1,272,5114,242908,11013057,508895558,23660712291, 1103426578662,51504728212214,2405230028991235, 112343236438058707,5247698593127586871, 245134541408802560300,11451062337945565153912, 534920604669153194413527] |