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| n | a(n) |
|---|---|
| 4 | 36 |
| 5 | 994 |
| 6 | 22250 |
| 7 | 484840 |
| 8 | 10867381 |
| 9 | 255929070 |
| 10 | 6387031115 |
| 11 | 169414005231 |
| 12 | 4777275646776 |
| 13 | 143057565908871 |
| 14 | 4541154155493688 |
| 15 | 152488745763476252 |
| 16 | 5404684397262874216 |
| 17 | 201748737356125542014 |
| 18 | 7914700977349228045674 |
| 19 | 325655486028026921305660 |
| 20 | 14026432243484139930962641 |
[36,994,22250,484840,10867381,255929070, 6387031115,169414005231,4777275646776, 143057565908871,4541154155493688, 152488745763476252,5404684397262874216, 201748737356125542014,7914700977349228045674, 325655486028026921305660, 14026432243484139930962641] |