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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 4 |
| 9 | 0 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 18 |
| 14 | 0 |
| 15 | 1 |
| 16 | 1 |
| 17 | 3 |
| 18 | 12 |
| 19 | 120 |
| 20 | 0 |
| 21 | 1 |
| 22 | 1 |
| 23 | 3 |
| 24 | 13 |
| 25 | 66 |
| 26 | 840 |
| 27 | 0 |
| 28 | 1 |
| 29 | 1 |
| 30 | 3 |
| 31 | 13 |
| 32 | 74 |
| 33 | 450 |
| 34 | 7920 |
| 35 | 0 |
| 36 | 1 |
| 37 | 1 |
| 38 | 3 |
| 39 | 13 |
| 40 | 73 |
| 41 | 510 |
| 42 | 3510 |
| 43 | 75600 |
| 44 | 0 |
| 45 | 1 |
| 46 | 1 |
| 47 | 3 |
| 48 | 13 |
| 49 | 73 |
| 50 | 500 |
| 51 | 4130 |
| 52 | 32760 |
| 53 | 887040 |
| 54 | 0 |
| 55 | 1 |
| 56 | 1 |
| 57 | 3 |
| 58 | 13 |
| 59 | 73 |
| 60 | 501 |
| 61 | 4040 |
| 62 | 38430 |
| 63 | 335160 |
| 64 | 10886400 |
| 65 | 0 |
| 66 | 1 |
| 67 | 1 |
| 68 | 3 |
[1,1,0,1,1,0,1,1,4,0,1,1,3,18,0,1,1,3,12,120,0,1, 1,3,13,66,840,0,1,1,3,13,74,450,7920,0,1,1,3,13, 73,510,3510,75600,0,1,1,3,13,73,500,4130,32760, 887040,0,1,1,3,13,73,501,4040,38430,335160, 10886400,0,1,1,3] |