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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 8 |
| 9 | 3 |
| 10 | 0 |
| 11 | 1 |
| 12 | 24 |
| 13 | 0 |
| 14 | 0 |
| 15 | 20 |
| 16 | 15 |
| 17 | 0 |
| 18 | 1 |
| 19 | 0 |
| 20 | 144 |
| 21 | 90 |
| 22 | 40 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 40 |
| 27 | 45 |
| 28 | 0 |
| 29 | 1 |
| 30 | 720 |
| 31 | 0 |
| 32 | 0 |
| 33 | 0 |
| 34 | 504 |
| 35 | 630 |
| 36 | 280 |
| 37 | 210 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | 70 |
| 42 | 105 |
| 43 | 0 |
| 44 | 1 |
| 45 | 0 |
| 46 | 5760 |
| 47 | 3360 |
| 48 | 2688 |
| 49 | 1260 |
| 50 | 0 |
| 51 | 0 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 1344 |
| 56 | 2520 |
| 57 | 1120 |
| 58 | 1680 |
| 59 | 105 |
| 60 | 0 |
| 61 | 0 |
| 62 | 0 |
| 63 | 112 |
| 64 | 210 |
| 65 | 0 |
| 66 | 1 |
[1,0,1,2,0,1,0,8,3,0,1,24,0,0,20,15,0,1,0,144,90, 40,0,0,0,40,45,0,1,720,0,0,0,504,630,280,210,0,0, 0,70,105,0,1,0,5760,3360,2688,1260,0,0,0,0,0,1344, 2520,1120,1680,105,0,0,0,112,210,0,1] |