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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 44 |
| 2 | 686 |
| 3 | -79816 |
| 4 | -6084404 |
| 5 | 131366224 |
| 6 | 43807638856 |
| 7 | 942289429664 |
| 8 | -341856105084784 |
| 9 | -24464562920370496 |
| 10 | 2769440413707518176 |
| 11 | 427662414707761999744 |
| 12 | -19262659441336846931264 |
| 13 | -7262493236035251261135616 |
| 14 | -6531486463827292856927104 |
| 15 | 126806246226208496184168487424 |
[1,44,686,-79816,-6084404,131366224,43807638856, 942289429664,-341856105084784,-24464562920370496, 2769440413707518176,427662414707761999744, -19262659441336846931264, -7262493236035251261135616, -6531486463827292856927104, 126806246226208496184168487424] |