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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 8 |
| 5 | 8 |
| 6 | 26 |
| 7 | 22 |
| 8 | 22 |
| 9 | 26 |
| 10 | 272 |
| 11 | -64 |
| 12 | 352 |
| 13 | -64 |
| 14 | 272 |
| 15 | 2882 |
| 16 | -486 |
| 17 | 1444 |
| 18 | 1444 |
| 19 | -486 |
| 20 | 2882 |
| 21 | 50752 |
| 22 | -93056 |
| 23 | 230336 |
| 24 | -283904 |
| 25 | 230336 |
| 26 | -93056 |
| 27 | 50752 |
| 28 | 745418 |
| 29 | -1182562 |
| 30 | 2112618 |
| 31 | -1030354 |
| 32 | -1030354 |
| 33 | 2112618 |
| 34 | -1182562 |
| 35 | 745418 |
| 36 | 18456832 |
| 37 | -66045952 |
[1,1,2,2,8,8,26,22,22,26,272,-64,352,-64,272,2882, -486,1444,1444,-486,2882,50752,-93056,230336, -283904,230336,-93056,50752,745418,-1182562, 2112618,-1030354,-1030354,2112618,-1182562,745418, 18456832,-66045952] |