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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | -8 |
| 5 | 1 |
| 6 | 1 |
| 7 | -26 |
| 8 | -26 |
| 9 | 1 |
| 10 | 1 |
| 11 | -80 |
| 12 | 2080 |
| 13 | -80 |
| 14 | 1 |
| 15 | 1 |
| 16 | -242 |
| 17 | 19360 |
| 18 | 19360 |
| 19 | -242 |
| 20 | 1 |
| 21 | 1 |
| 22 | -728 |
| 23 | 176176 |
| 24 | -14094080 |
| 25 | 176176 |
| 26 | -728 |
| 27 | 1 |
| 28 | 1 |
| 29 | -2186 |
| 30 | 1591408 |
| 31 | -385120736 |
| 32 | -385120736 |
| 33 | 1591408 |
| 34 | -2186 |
| 35 | 1 |
| 36 | 1 |
| 37 | -6560 |
| 38 | 14340160 |
| 39 | -10439636480 |
| 40 | 2526392028160 |
| 41 | -10439636480 |
| 42 | 14340160 |
| 43 | -6560 |
| 44 | 1 |
[1,1,1,1,-8,1,1,-26,-26,1,1,-80,2080,-80,1,1,-242, 19360,19360,-242,1,1,-728,176176,-14094080,176176, -728,1,1,-2186,1591408,-385120736,-385120736, 1591408,-2186,1,1,-6560,14340160,-10439636480, 2526392028160,-10439636480,14340160,-6560,1] |