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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -31 |
| 3 | -212 |
| 4 | -284 |
| 5 | 4935 |
| 6 | 43719 |
| 7 | 160002 |
| 8 | -96747 |
| 9 | -4914512 |
| 10 | -31358932 |
| 11 | -94515285 |
| 12 | 97642670 |
| 13 | 2823746182 |
| 14 | 16834776254 |
| 15 | 51617810512 |
| 16 | -11233909783 |
| 17 | -1137004349695 |
| 18 | -7267899354808 |
| 19 | -25263858110877 |
| 20 | -24537905293857 |
| 21 | 319397811973578 |
| 22 | 2523465326904492 |
[1,-1,-31,-212,-284,4935,43719,160002,-96747, -4914512,-31358932,-94515285,97642670,2823746182, 16834776254,51617810512,-11233909783, -1137004349695,-7267899354808,-25263858110877, -24537905293857,319397811973578,2523465326904492] |