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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 1 |
| 5 | 5 |
| 6 | 3 |
| 7 | 2 |
| 8 | 8 |
| 9 | 2 |
| 10 | 20 |
| 11 | 44 |
| 12 | 8 |
| 13 | 6 |
| 14 | 66 |
| 15 | 66 |
| 16 | 6 |
| 17 | 114 |
| 18 | 594 |
| 19 | 414 |
| 20 | 30 |
| 21 | 24 |
| 22 | 624 |
| 23 | 1584 |
| 24 | 624 |
| 25 | 24 |
| 26 | 864 |
| 27 | 8784 |
| 28 | 14544 |
| 29 | 4464 |
| 30 | 144 |
| 31 | 120 |
| 32 | 6840 |
| 33 | 36240 |
| 34 | 36240 |
| 35 | 6840 |
| 36 | 120 |
| 37 | 8280 |
| 38 | 147720 |
| 39 | 471120 |
| 40 | 353520 |
| 41 | 55320 |
| 42 | 840 |
| 43 | 720 |
| 44 | 86400 |
| 45 | 857520 |
| 46 | 1739520 |
| 47 | 857520 |
| 48 | 86400 |
| 49 | 720 |
| 50 | 96480 |
[1,1,2,1,1,5,3,2,8,2,20,44,8,6,66,66,6,114,594, 414,30,24,624,1584,624,24,864,8784,14544,4464,144, 120,6840,36240,36240,6840,120,8280,147720,471120, 353520,55320,840,720,86400,857520,1739520,857520, 86400,720,96480] |