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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 10 |
| 8 | 10 |
| 9 | 1 |
| 10 | 1 |
| 11 | 21 |
| 12 | 140 |
| 13 | 21 |
| 14 | 1 |
| 15 | 1 |
| 16 | 3960 |
| 17 | 55440 |
| 18 | 55440 |
| 19 | 3960 |
| 20 | 1 |
| 21 | 1 |
| 22 | 78 |
| 23 | 205920 |
| 24 | 432432 |
| 25 | 205920 |
| 26 | 78 |
| 27 | 1 |
| 28 | 1 |
| 29 | 28560 |
| 30 | 1485120 |
| 31 | 588107520 |
| 32 | 588107520 |
| 33 | 1485120 |
| 34 | 28560 |
| 35 | 1 |
| 36 | 1 |
| 37 | 171 |
| 38 | 3255840 |
| 39 | 25395552 |
| 40 | 4788875520 |
| 41 | 25395552 |
| 42 | 3255840 |
| 43 | 171 |
| 44 | 1 |
[1,1,1,1,1,1,1,10,10,1,1,21,140,21,1,1,3960,55440, 55440,3960,1,1,78,205920,432432,205920,78,1,1, 28560,1485120,588107520,588107520,1485120,28560,1, 1,171,3255840,25395552,4788875520,25395552, 3255840,171,1] |