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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 0 |
| 4 | 4 |
| 5 | 0 |
| 6 | 1 |
| 7 | 32 |
| 8 | 0 |
| 9 | 0 |
| 10 | 48 |
| 11 | 400 |
| 12 | 0 |
| 13 | 0 |
| 14 | 28 |
| 15 | 1728 |
| 16 | 6912 |
| 17 | 0 |
| 18 | 0 |
| 19 | 8 |
| 20 | 4240 |
| 21 | 62720 |
| 22 | 153664 |
| 23 | 0 |
| 24 | 0 |
| 25 | 1 |
| 26 | 7272 |
| 27 | 344320 |
| 28 | 2457600 |
| 29 | 4194304 |
| 30 | 0 |
| 31 | 0 |
| 32 | 0 |
| 33 | 8720 |
| 34 | 1465600 |
| 35 | 23872320 |
| 36 | 105815808 |
| 37 | 136048896 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | 7136 |
| 42 | 5254576 |
| 43 | 182691200 |
| 44 | 1603840000 |
| 45 | 5017600000 |
| 46 | 512000000 |
[1,0,4,0,1,32,0,0,48,400,0,0,28,1728,6912,0,0,8, 4240,62720,153664,0,0,1,7272,344320,2457600, 4194304,0,0,0,8720,1465600,23872320,105815808, 136048896,0,0,0,7136,5254576,182691200,1603840000, 5017600000,512000000] |