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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 1 |
| 7 | 4 |
| 8 | 16 |
| 9 | 8 |
| 10 | 1 |
| 11 | 12 |
| 12 | 148 |
| 13 | 314 |
| 14 | 38 |
| 15 | 1 |
| 16 | 36 |
| 17 | 2400 |
| 18 | 20940 |
| 19 | 8944 |
| 20 | 223 |
| 21 | 2 |
| 22 | 144 |
| 23 | 62800 |
| 24 | 3084352 |
| 25 | 5911808 |
| 26 | 437568 |
| 27 | 2412 |
| 28 | 4 |
| 29 | 576 |
| 30 | 2150784 |
| 31 | 726042624 |
| 32 | 7707842560 |
| 33 | 2436623360 |
| 34 | 31791360 |
| 35 | 26400 |
| 36 | 8 |
| 37 | 2880 |
| 38 | 89051520 |
| 39 | 284038382592 |
[1,1,1,2,3,1,4,16,8,1,12,148,314,38,1,36,2400, 20940,8944,223,2,144,62800,3084352,5911808,437568, 2412,4,576,2150784,726042624,7707842560, 2436623360,31791360,26400,8,2880,89051520, 284038382592] |