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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 1 |
| 5 | 9 |
| 6 | 17 |
| 7 | 1 |
| 8 | 45 |
| 9 | 68 |
| 10 | 142 |
| 11 | 1 |
| 12 | 165 |
| 13 | 680 |
| 14 | 710 |
| 15 | 1569 |
| 16 | 1 |
| 17 | 855 |
| 18 | 6290 |
| 19 | 8520 |
| 20 | 9414 |
| 21 | 21576 |
| 22 | 1 |
| 23 | 3843 |
| 24 | 47600 |
| 25 | 134190 |
| 26 | 131796 |
| 27 | 151032 |
| 28 | 355081 |
| 29 | 1 |
| 30 | 21819 |
| 31 | 481712 |
| 32 | 1838900 |
| 33 | 2372328 |
| 34 | 2416512 |
| 35 | 2840648 |
| 36 | 6805296 |
| 37 | 1 |
| 38 | 114075 |
| 39 | 5025608 |
| 40 | 21488292 |
| 41 | 50609664 |
| 42 | 48934368 |
| 43 | 51131664 |
| 44 | 61247664 |
| 45 | 148869153 |
[1,1,3,1,9,17,1,45,68,142,1,165,680,710,1569,1, 855,6290,8520,9414,21576,1,3843,47600,134190, 131796,151032,355081,1,21819,481712,1838900, 2372328,2416512,2840648,6805296,1,114075,5025608, 21488292,50609664,48934368,51131664,61247664, 148869153] |