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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 6 |
| 8 | 0 |
| 9 | 1 |
| 10 | 12 |
| 11 | 0 |
| 12 | 12 |
| 13 | 0 |
| 14 | 1 |
| 15 | 0 |
| 16 | 60 |
| 17 | 0 |
| 18 | 20 |
| 19 | 0 |
| 20 | 1 |
| 21 | 150 |
| 22 | 0 |
| 23 | 180 |
| 24 | 0 |
| 25 | 30 |
| 26 | 0 |
| 27 | 1 |
| 28 | 0 |
| 29 | 1050 |
| 30 | 0 |
| 31 | 420 |
| 32 | 0 |
| 33 | 42 |
| 34 | 0 |
| 35 | 1 |
| 36 | 3416 |
| 37 | 0 |
| 38 | 4200 |
| 39 | 0 |
| 40 | 840 |
| 41 | 0 |
| 42 | 56 |
| 43 | 0 |
| 44 | 1 |
| 45 | 0 |
| 46 | 30744 |
| 47 | 0 |
| 48 | 12600 |
| 49 | 0 |
| 50 | 1512 |
| 51 | 0 |
| 52 | 72 |
| 53 | 0 |
| 54 | 1 |
| 55 | 124650 |
| 56 | 0 |
| 57 | 153720 |
| 58 | 0 |
| 59 | 31500 |
| 60 | 0 |
| 61 | 2520 |
| 62 | 0 |
| 63 | 90 |
| 64 | 0 |
| 65 | 1 |
[1,0,1,2,0,1,0,6,0,1,12,0,12,0,1,0,60,0,20,0,1, 150,0,180,0,30,0,1,0,1050,0,420,0,42,0,1,3416,0, 4200,0,840,0,56,0,1,0,30744,0,12600,0,1512,0,72,0, 1,124650,0,153720,0,31500,0,2520,0,90,0,1] |