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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 52 |
| 2 | 1022 |
| 3 | -121784 |
| 4 | -11489780 |
| 5 | 221894192 |
| 6 | 108167547784 |
| 7 | 3385356299104 |
| 8 | -1097526180055408 |
| 9 | -102624715723624640 |
| 10 | 11277866096050285024 |
| 11 | 2312596755465981266048 |
| 12 | -88408047224891347679552 |
| 13 | -51274671368019715953249536 |
| 14 | -733152550517551021207891840 |
[1,52,1022,-121784,-11489780,221894192, 108167547784,3385356299104,-1097526180055408, -102624715723624640,11277866096050285024, 2312596755465981266048,-88408047224891347679552, -51274671368019715953249536, -733152550517551021207891840] |