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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -2 |
| 3 | 1 |
| 4 | -2 |
| 5 | -33 |
| 6 | 1 |
| 7 | 1 |
| 8 | -109 |
| 9 | -209 |
| 10 | 1 |
| 11 | 11 |
| 12 | -324 |
| 13 | -894 |
| 14 | 1641 |
| 15 | 1 |
| 16 | 36 |
| 17 | -867 |
| 18 | -4262 |
| 19 | 12951 |
| 20 | 85926 |
| 21 | 1 |
| 22 | 92 |
| 23 | -2085 |
| 24 | -20516 |
| 25 | 74369 |
| 26 | 625164 |
| 27 | 1435939 |
| 28 | 1 |
| 29 | 211 |
| 30 | -4419 |
| 31 | -93989 |
| 32 | 344617 |
| 33 | 4306671 |
| 34 | 9337441 |
| 35 | -7280909 |
| 36 | 1 |
| 37 | 457 |
| 38 | -7652 |
| 39 | -402971 |
| 40 | 1253140 |
| 41 | 28570687 |
[1,1,-2,1,-2,-33,1,1,-109,-209,1,11,-324,-894, 1641,1,36,-867,-4262,12951,85926,1,92,-2085, -20516,74369,625164,1435939,1,211,-4419,-93989, 344617,4306671,9337441,-7280909,1,457,-7652, -402971,1253140,28570687] |