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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 3 |
| 8 | 0 |
| 9 | 1 |
| 10 | 6 |
| 11 | 0 |
| 12 | 6 |
| 13 | 0 |
| 14 | 1 |
| 15 | 0 |
| 16 | 30 |
| 17 | 0 |
| 18 | 10 |
| 19 | 0 |
| 20 | 1 |
| 21 | 90 |
| 22 | 0 |
| 23 | 90 |
| 24 | 0 |
| 25 | 15 |
| 26 | 0 |
| 27 | 1 |
| 28 | 0 |
| 29 | 630 |
| 30 | 0 |
| 31 | 210 |
| 32 | 0 |
| 33 | 21 |
| 34 | 0 |
| 35 | 1 |
| 36 | 2520 |
| 37 | 0 |
| 38 | 2520 |
| 39 | 0 |
| 40 | 420 |
| 41 | 0 |
| 42 | 28 |
| 43 | 0 |
| 44 | 1 |
| 45 | 0 |
| 46 | 22680 |
| 47 | 0 |
| 48 | 7560 |
| 49 | 0 |
| 50 | 756 |
| 51 | 0 |
| 52 | 36 |
| 53 | 0 |
| 54 | 1 |
| 55 | 113400 |
| 56 | 0 |
| 57 | 113400 |
| 58 | 0 |
| 59 | 18900 |
| 60 | 0 |
| 61 | 1260 |
| 62 | 0 |
| 63 | 45 |
| 64 | 0 |
| 65 | 1 |
[1,0,1,1,0,1,0,3,0,1,6,0,6,0,1,0,30,0,10,0,1,90,0, 90,0,15,0,1,0,630,0,210,0,21,0,1,2520,0,2520,0, 420,0,28,0,1,0,22680,0,7560,0,756,0,36,0,1,113400, 0,113400,0,18900,0,1260,0,45,0,1] |