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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| 6 | 6 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 30 |
| 11 | 0 |
| 12 | 18 |
| 13 | 0 |
| 14 | 210 |
| 15 | 150 |
| 16 | 8 |
| 17 | 0 |
| 18 | 36 |
| 19 | 0 |
| 20 | 90 |
| 21 | 1050 |
| 22 | 2310 |
| 23 | 0 |
| 24 | 12 |
| 25 | 660 |
| 26 | 30030 |
| 27 | 0 |
| 28 | 630 |
| 29 | 0 |
| 30 | 120 |
| 31 | 0 |
| 32 | 0 |
| 33 | 11550 |
| 34 | 510510 |
| 35 | 3780 |
| 36 | 108 |
| 37 | 0 |
| 38 | 9699690 |
| 39 | 150150 |
| 40 | 0 |
| 41 | 0 |
| 42 | 0 |
| 43 | 0 |
| 44 | 6930 |
| 45 | 840 |
| 46 | 223092870 |
| 47 | 0 |
| 48 | 60 |
| 49 | 11550 |
| 50 | 1560 |
| 51 | 2552550 |
| 52 | 90090 |
| 53 | 0 |
| 54 | 216 |
| 55 | 36960 |
| 56 | 1470 |
| 57 | 48498450 |
| 58 | 6469693230 |
| 59 | 0 |
| 60 | 480 |
| 61 | 0 |
| 62 | 200560490130 |
| 63 | 5040 |
| 64 | 32 |
| 65 | 360360 |
[0,0,0,2,0,6,0,0,0,30,0,18,0,210,150,8,0,36,0,90, 1050,2310,0,12,660,30030,0,630,0,120,0,0,11550, 510510,3780,108,0,9699690,150150,0,0,0,0,6930,840, 223092870,0,60,11550,1560,2552550,90090,0,216, 36960,1470,48498450,6469693230,0,480,0, 200560490130,5040,32,360360] |