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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 8 |
| 5 | 1 |
| 6 | 28 |
| 7 | 84 |
| 8 | 21 |
| 9 | 1 |
| 10 | 280 |
| 11 | 1120 |
| 12 | 420 |
| 13 | 40 |
| 14 | 1 |
| 15 | 3640 |
| 16 | 18200 |
| 17 | 9100 |
| 18 | 1300 |
| 19 | 65 |
| 20 | 1 |
| 21 | 58240 |
| 22 | 349440 |
| 23 | 218400 |
| 24 | 41600 |
| 25 | 3120 |
| 26 | 96 |
| 27 | 1 |
| 28 | 1106560 |
| 29 | 7745920 |
| 30 | 5809440 |
| 31 | 1383200 |
| 32 | 138320 |
| 33 | 6384 |
| 34 | 133 |
| 35 | 1 |
| 36 | 24344320 |
| 37 | 194754560 |
| 38 | 170410240 |
| 39 | 48688640 |
| 40 | 6086080 |
| 41 | 374528 |
| 42 | 11704 |
| 43 | 176 |
| 44 | 1 |
[1,1,1,4,8,1,28,84,21,1,280,1120,420,40,1,3640, 18200,9100,1300,65,1,58240,349440,218400,41600, 3120,96,1,1106560,7745920,5809440,1383200,138320, 6384,133,1,24344320,194754560,170410240,48688640, 6086080,374528,11704,176,1] |