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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 3 |
| 5 | 6 |
| 6 | 1 |
| 7 | 3 |
| 8 | 14 |
| 9 | 30 |
| 10 | 1 |
| 11 | 2 |
| 12 | 23 |
| 13 | 94 |
| 14 | 192 |
| 15 | 1 |
| 16 | 0 |
| 17 | 35 |
| 18 | 180 |
| 19 | 744 |
| 20 | 1560 |
| 21 | 1 |
| 22 | -3 |
| 23 | 55 |
| 24 | 255 |
| 25 | 1744 |
| 26 | 7308 |
| 27 | 15120 |
| 28 | 1 |
| 29 | -7 |
| 30 | 91 |
| 31 | 245 |
| 32 | 3304 |
| 33 | 19922 |
| 34 | 82284 |
| 35 | 171360 |
| 36 | 1 |
| 37 | -12 |
| 38 | 154 |
| 39 | 0 |
| 40 | 5929 |
| 41 | 40572 |
| 42 | 255996 |
| 43 | 1068240 |
| 44 | 2217600 |
| 45 | 1 |
| 46 | -18 |
| 47 | 258 |
| 48 | -756 |
| 49 | 11361 |
| 50 | 64638 |
| 51 | 602972 |
| 52 | 3746376 |
| 53 | 15533568 |
| 54 | 32296320 |
[1,1,2,1,3,6,1,3,14,30,1,2,23,94,192,1,0,35,180, 744,1560,1,-3,55,255,1744,7308,15120,1,-7,91,245, 3304,19922,82284,171360,1,-12,154,0,5929,40572, 255996,1068240,2217600,1,-18,258,-756,11361,64638, 602972,3746376,15533568,32296320] |