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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 6 |
| 7 | 15 |
| 8 | 0 |
| 9 | 27 |
| 10 | 24 |
| 11 | 56 |
| 12 | 176 |
| 13 | -128 |
| 14 | 256 |
| 15 | 120 |
| 16 | 470 |
| 17 | 125 |
| 18 | 3125 |
| 19 | -3125 |
| 20 | 3125 |
| 21 | 720 |
| 22 | 2664 |
| 23 | 10944 |
| 24 | -16200 |
| 25 | 71280 |
| 26 | -69984 |
| 27 | 46656 |
| 28 | 5040 |
| 29 | 26796 |
| 30 | 17836 |
| 31 | 376957 |
| 32 | -840350 |
| 33 | 1882384 |
| 34 | -1647086 |
| 35 | 823543 |
| 36 | 40320 |
| 37 | 204672 |
| 38 | 1022720 |
| 39 | -2222080 |
| 40 | 16257024 |
| 41 | -34865152 |
| 42 | 55050240 |
| 43 | -41943040 |
| 44 | 16777216 |
[1,1,1,2,2,4,6,15,0,27,24,56,176,-128,256,120,470, 125,3125,-3125,3125,720,2664,10944,-16200,71280, -69984,46656,5040,26796,17836,376957,-840350, 1882384,-1647086,823543,40320,204672,1022720, -2222080,16257024,-34865152,55050240,-41943040, 16777216] |