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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 1 |
| 6 | 0 |
| 7 | 3 |
| 8 | 6 |
| 9 | 1 |
| 10 | 0 |
| 11 | 4 |
| 12 | 24 |
| 13 | 12 |
| 14 | 1 |
| 15 | 0 |
| 16 | 5 |
| 17 | 80 |
| 18 | 90 |
| 19 | 20 |
| 20 | 1 |
| 21 | 0 |
| 22 | 6 |
| 23 | 240 |
| 24 | 540 |
| 25 | 240 |
| 26 | 30 |
| 27 | 1 |
| 28 | 0 |
| 29 | 7 |
| 30 | 672 |
| 31 | 2835 |
| 32 | 2240 |
| 33 | 525 |
| 34 | 42 |
| 35 | 1 |
| 36 | 0 |
| 37 | 8 |
| 38 | 1792 |
| 39 | 13608 |
| 40 | 17920 |
| 41 | 7000 |
| 42 | 1008 |
| 43 | 56 |
| 44 | 1 |
| 45 | 0 |
| 46 | 9 |
| 47 | 4608 |
| 48 | 61236 |
| 49 | 129024 |
| 50 | 78750 |
| 51 | 18144 |
| 52 | 1764 |
| 53 | 72 |
| 54 | 1 |
| 55 | 0 |
| 56 | 10 |
| 57 | 11520 |
| 58 | 262440 |
[1,0,1,0,2,1,0,3,6,1,0,4,24,12,1,0,5,80,90,20,1,0, 6,240,540,240,30,1,0,7,672,2835,2240,525,42,1,0,8, 1792,13608,17920,7000,1008,56,1,0,9,4608,61236, 129024,78750,18144,1764,72,1,0,10,11520,262440] |