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| n | a(n) |
|---|---|
| 8 | 43263 |
| 9 | 7104240 |
| 10 | 694377450 |
| 11 | 52825297536 |
| 12 | 3463906615356 |
| 13 | 206132702914710 |
| 14 | 11470240358743842 |
| 15 | 608199451197152100 |
| 16 | 31120996552066805175 |
| 17 | 1550313320809537870320 |
| 18 | 75665062766954753664390 |
| 19 | 3635046065217379316477688 |
| 20 | 172499755061750807257325550 |
[43263,7104240,694377450,52825297536, 3463906615356,206132702914710,11470240358743842, 608199451197152100,31120996552066805175, 1550313320809537870320,75665062766954753664390, 3635046065217379316477688, 172499755061750807257325550] |