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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 8 |
| 4 | 64 |
| 5 | 680 |
| 6 | 64 |
| 7 | 372 |
| 8 | 31984 |
| 9 | 31984 |
| 10 | 372 |
| 11 | 1856 |
| 12 | 1194376 |
| 13 | 9509536 |
| 14 | 1194376 |
| 15 | 1856 |
| 16 | 9052 |
| 17 | 44344428 |
| 18 | 2397172032 |
| 19 | 2397172032 |
| 20 | 44344428 |
| 21 | 9052 |
| 22 | 45648 |
| 23 | 1707628408 |
| 24 | 622483753816 |
| 25 | 4062408076312 |
| 26 | 622483753816 |
| 27 | 1707628408 |
| 28 | 45648 |
| 29 | 235538 |
[1,8,8,64,680,64,372,31984,31984,372,1856,1194376, 9509536,1194376,1856,9052,44344428,2397172032, 2397172032,44344428,9052,45648,1707628408, 622483753816,4062408076312,622483753816, 1707628408,45648,235538] |