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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | -289 |
| 3 | -6755 |
| 4 | 245761 |
| 5 | 10853087 |
| 6 | -339364481 |
| 7 | -24385611803 |
| 8 | 632237079425 |
| 9 | 70364353871287 |
| 10 | -1430714718511841 |
| 11 | -247846519114532947 |
| 12 | 3584471689625294209 |
| 13 | 1030356783355922692495 |
| 14 | -8537671120722083906881 |
| 15 | -4935411996685280768234507 |
| 16 | 8738108605264000030245121 |
[1,7,-289,-6755,245761,10853087,-339364481, -24385611803,632237079425,70364353871287, -1430714718511841,-247846519114532947, 3584471689625294209,1030356783355922692495, -8537671120722083906881, -4935411996685280768234507, 8738108605264000030245121] |