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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -4 |
| 2 | 7 |
| 3 | 8 |
| 4 | -31 |
| 5 | -19 |
| 6 | -301 |
| 7 | 41 |
| 8 | 18029 |
| 9 | 6977 |
| 10 | 254927 |
| 11 | 2683 |
| 12 | -27755351 |
| 13 | -20708341 |
| 14 | -8065683737 |
| 15 | -1998225857 |
| 16 | -7525030013 |
| 17 | 654365168147 |
| 18 | 93746955893939 |
| 19 | 12226393924361 |
| 20 | 1123431147590407 |
| 21 | 27739255684444921 |
| 22 | 748334911424041583 |
| 23 | -424460759787923281 |
| 24 | -73378993429711239701 |
[1,-4,7,8,-31,-19,-301,41,18029,6977,254927,2683, -27755351,-20708341,-8065683737,-1998225857, -7525030013,654365168147,93746955893939, 12226393924361,1123431147590407,27739255684444921, 748334911424041583,-424460759787923281, -73378993429711239701] |