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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 3 |
| 4 | 16 |
| 5 | 552 |
| 6 | 4 |
| 7 | 25 |
| 8 | 1020 |
| 9 | 85842 |
| 10 | 5 |
| 11 | 36 |
| 12 | 1692 |
| 13 | 165536 |
| 14 | 24653700 |
| 15 | 6 |
| 16 | 49 |
| 17 | 2604 |
| 18 | 289538 |
| 19 | 49320160 |
| 20 | 11219022936 |
| 21 | 7 |
| 22 | 64 |
| 23 | 3792 |
| 24 | 471456 |
| 25 | 90173820 |
| 26 | 23135212080 |
| 27 | 7393496092416 |
| 28 | 8 |
| 29 | 81 |
| 30 | 5292 |
| 31 | 726674 |
| 32 | 153941040 |
| 33 | 43882422792 |
| 34 | 15630527512432 |
| 35 | 6649411839351120 |
| 36 | 9 |
| 37 | 100 |
| 38 | 7140 |
| 39 | 1072352 |
| 40 | 248954740 |
| 41 | 77949764208 |
| 42 | 30567719526512 |
| 43 | 14347969660399360 |
| 44 | 7822998961379912592 |
[1,2,9,3,16,552,4,25,1020,85842,5,36,1692,165536, 24653700,6,49,2604,289538,49320160,11219022936,7, 64,3792,471456,90173820,23135212080,7393496092416, 8,81,5292,726674,153941040,43882422792, 15630527512432,6649411839351120,9,100,7140, 1072352,248954740,77949764208,30567719526512, 14347969660399360,7822998961379912592] |