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| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | -3171 |
| 3 | 515242 |
| 4 | -88552695 |
| 5 | 16361485098 |
| 6 | -3146078130083 |
| 7 | 622295456184618 |
| 8 | -125653124401054383 |
| 9 | 25774485201611434666 |
| 10 | -5353054527354475135971 |
| 11 | 1122995842490069166600618 |
| 12 | -237552033781060445940477047 |
| 13 | 50601782105864798623718932266 |
[42,-3171,515242,-88552695,16361485098, -3146078130083,622295456184618, -125653124401054383,25774485201611434666, -5353054527354475135971,1122995842490069166600618, -237552033781060445940477047, 50601782105864798623718932266] |