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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 6 |
| 4 | 80 |
| 5 | 12 |
| 6 | 224 |
| 7 | 18 |
| 8 | 440 |
| 9 | 17472 |
| 10 | 30 |
| 11 | 39168 |
| 12 | 1520 |
| 13 | 42 |
| 14 | 2024 |
| 15 | 124800 |
| 16 | 175392 |
| 17 | 60 |
| 18 | 261888 |
| 19 | 4760 |
| 20 | 72 |
| 21 | 438672 |
| 22 | 6560 |
| 23 | 635712 |
| 24 | 74718720 |
| 25 | 9800 |
| 26 | 102 |
| 27 | 11024 |
| 28 | 108 |
| 29 | 12320 |
| 30 | 356925975275520 |
| 31 | 16640 |
| 32 | 2405568 |
| 33 | 138 |
| 34 | 61857653760 |
| 35 | 150 |
| 36 | 3651648 |
| 37 | 4095360 |
[1,4,6,80,12,224,18,440,17472,30,39168,1520,42, 2024,124800,175392,60,261888,4760,72,438672,6560, 635712,74718720,9800,102,11024,108,12320, 356925975275520,16640,2405568,138,61857653760,150, 3651648,4095360] |