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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | -3 |
| 6 | -42 |
| 7 | -105 |
| 8 | 8 |
| 9 | 1081 |
| 10 | 5354 |
| 11 | 5643 |
| 12 | -99956 |
| 13 | -547467 |
| 14 | 22974 |
| 15 | 12925983 |
| 16 | 72550928 |
| 17 | 21466225 |
| 18 | -3076799278 |
| 19 | -19155660141 |
| 20 | 44239291156 |
| 21 | 1094661097965 |
| 22 | 4012843624614 |
| 23 | -26420430767577 |
| 24 | -426360266016232 |
| 25 | -1642571602653527 |
[0,1,2,3,4,-3,-42,-105,8,1081,5354,5643,-99956, -547467,22974,12925983,72550928,21466225, -3076799278,-19155660141,44239291156, 1094661097965,4012843624614,-26420430767577, -426360266016232,-1642571602653527] |