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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 4 |
| 6 | 1 |
| 7 | 14 |
| 8 | 49 |
| 9 | 36 |
| 10 | 1 |
| 11 | 30 |
| 12 | 273 |
| 13 | 820 |
| 14 | 576 |
| 15 | 1 |
| 16 | 55 |
| 17 | 1023 |
| 18 | 7645 |
| 19 | 21076 |
| 20 | 14400 |
| 21 | 1 |
| 22 | 91 |
| 23 | 3003 |
| 24 | 44473 |
| 25 | 296296 |
| 26 | 773136 |
| 27 | 518400 |
| 28 | 1 |
| 29 | 140 |
| 30 | 7462 |
| 31 | 191620 |
| 32 | 2475473 |
| 33 | 15291640 |
| 34 | 38402064 |
| 35 | 25401600 |
| 36 | 1 |
| 37 | 204 |
| 38 | 16422 |
| 39 | 669188 |
| 40 | 14739153 |
| 41 | 173721912 |
| 42 | 1017067024 |
| 43 | 2483133696 |
| 44 | 1625702400 |
[1,1,1,1,5,4,1,14,49,36,1,30,273,820,576,1,55, 1023,7645,21076,14400,1,91,3003,44473,296296, 773136,518400,1,140,7462,191620,2475473,15291640, 38402064,25401600,1,204,16422,669188,14739153, 173721912,1017067024,2483133696,1625702400] |