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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 1 |
| 6 | 0 |
| 7 | 18 |
| 8 | 18 |
| 9 | 1 |
| 10 | 0 |
| 11 | 504 |
| 12 | 648 |
| 13 | 72 |
| 14 | 1 |
| 15 | 0 |
| 16 | 32760 |
| 17 | 47160 |
| 18 | 7200 |
| 19 | 200 |
| 20 | 1 |
| 21 | 0 |
| 22 | 4127760 |
| 23 | 6305040 |
| 24 | 1141560 |
| 25 | 45000 |
| 26 | 450 |
| 27 | 1 |
| 28 | 0 |
| 29 | 895723920 |
| 30 | 1416456720 |
| 31 | 283704120 |
| 32 | 13741560 |
| 33 | 198450 |
| 34 | 882 |
| 35 | 1 |
| 36 | 0 |
| 37 | 308129028480 |
| 38 | 498072032640 |
| 39 | 106386981120 |
| 40 | 5876519040 |
| 41 | 106616160 |
| 42 | 691488 |
| 43 | 1568 |
| 44 | 1 |
[1,0,1,0,2,1,0,18,18,1,0,504,648,72,1,0,32760, 47160,7200,200,1,0,4127760,6305040,1141560,45000, 450,1,0,895723920,1416456720,283704120,13741560, 198450,882,1,0,308129028480,498072032640, 106386981120,5876519040,106616160,691488,1568,1] |