| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 2 |
| 7 | 1 |
| 8 | 10 |
| 9 | 0 |
| 10 | 6 |
| 11 | 1 |
| 12 | 35 |
| 13 | 1 |
| 14 | 0 |
| 15 | 24 |
| 16 | 1 |
| 17 | 126 |
| 18 | 15 |
| 19 | 0 |
| 20 | 0 |
| 21 | 120 |
| 22 | 1 |
| 23 | 462 |
| 24 | 65 |
| 25 | 1 |
| 26 | 0 |
| 27 | 0 |
| 28 | 720 |
| 29 | 1 |
| 30 | 1716 |
| 31 | 202 |
| 32 | 22 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 5040 |
| 37 | 1 |
| 38 | 6435 |
| 39 | 537 |
| 40 | 396 |
| 41 | 1 |
| 42 | 0 |
| 43 | 0 |
| 44 | 0 |
| 45 | 40320 |
| 46 | 1 |
| 47 | 24310 |
| 48 | 1559 |
| 49 | 2516 |
| 50 | 30 |
| 51 | 0 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 362880 |
| 56 | 1 |
| 57 | 92378 |
| 58 | 6506 |
| 59 | 10533 |
| 60 | 1929 |
| 61 | 1 |
| 62 | 0 |
| 63 | 0 |
| 64 | 0 |
| 65 | 0 |
| 66 | 3628800 |
| 67 | 1 |
| 68 | 352716 |
[1,1,1,1,3,2,1,10,0,6,1,35,1,0,24,1,126,15,0,0, 120,1,462,65,1,0,0,720,1,1716,202,22,0,0,0,5040,1, 6435,537,396,1,0,0,0,40320,1,24310,1559,2516,30,0, 0,0,0,362880,1,92378,6506,10533,1929,1,0,0,0,0, 3628800,1,352716] |