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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 0 |
| 7 | 1 |
| 8 | 3 |
| 9 | 2 |
| 10 | 0 |
| 11 | 1 |
| 12 | 7 |
| 13 | 12 |
| 14 | 6 |
| 15 | 0 |
| 16 | 1 |
| 17 | 15 |
| 18 | 50 |
| 19 | 60 |
| 20 | 24 |
| 21 | 0 |
| 22 | 1 |
| 23 | 31 |
| 24 | 180 |
| 25 | 390 |
| 26 | 360 |
| 27 | 120 |
| 28 | 0 |
| 29 | 1 |
| 30 | 63 |
| 31 | 602 |
| 32 | 2100 |
| 33 | 3360 |
| 34 | 2520 |
| 35 | 720 |
| 36 | 0 |
| 37 | 1 |
| 38 | 127 |
| 39 | 1932 |
| 40 | 10206 |
| 41 | 25200 |
| 42 | 31920 |
| 43 | 20160 |
| 44 | 5040 |
| 45 | 0 |
| 46 | 1 |
| 47 | 255 |
| 48 | 6050 |
| 49 | 46620 |
| 50 | 166824 |
| 51 | 317520 |
| 52 | 332640 |
| 53 | 181440 |
| 54 | 40320 |
| 55 | 0 |
| 56 | 1 |
| 57 | 511 |
| 58 | 18660 |
[1,0,1,0,1,1,0,1,3,2,0,1,7,12,6,0,1,15,50,60,24,0, 1,31,180,390,360,120,0,1,63,602,2100,3360,2520, 720,0,1,127,1932,10206,25200,31920,20160,5040,0,1, 255,6050,46620,166824,317520,332640,181440,40320, 0,1,511,18660] |