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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 3 |
| 7 | 2 |
| 8 | 15 |
| 9 | 15 |
| 10 | 17 |
| 11 | 60 |
| 12 | 45 |
| 13 | 17 |
| 14 | 231 |
| 15 | 525 |
| 16 | 315 |
| 17 | 62 |
| 18 | 378 |
| 19 | 630 |
| 20 | 315 |
| 21 | 62 |
| 22 | 1320 |
| 23 | 5040 |
| 24 | 6615 |
| 25 | 2835 |
| 26 | 1382 |
| 27 | 12720 |
| 28 | 34965 |
| 29 | 37800 |
| 30 | 14175 |
| 31 | 1382 |
| 32 | 42306 |
| 33 | 238425 |
| 34 | 509355 |
| 35 | 467775 |
| 36 | 155925 |
| 37 | 21844 |
| 38 | 280731 |
| 39 | 1121670 |
| 40 | 1954260 |
| 41 | 1559250 |
| 42 | 467775 |
| 43 | 21844 |
| 44 | 907725 |
| 45 | 7012005 |
[1,1,1,3,2,3,2,15,15,17,60,45,17,231,525,315,62, 378,630,315,62,1320,5040,6615,2835,1382,12720, 34965,37800,14175,1382,42306,238425,509355,467775, 155925,21844,280731,1121670,1954260,1559250, 467775,21844,907725,7012005] |