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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 2 |
| 7 | 4 |
| 8 | 36 |
| 9 | 36 |
| 10 | 4 |
| 11 | 6 |
| 12 | 196 |
| 13 | 1272 |
| 14 | 196 |
| 15 | 6 |
| 16 | 9 |
| 17 | 961 |
| 18 | 26244 |
| 19 | 26244 |
| 20 | 961 |
| 21 | 9 |
| 22 | 15 |
| 23 | 5329 |
| 24 | 532620 |
| 25 | 1993744 |
| 26 | 532620 |
| 27 | 5329 |
| 28 | 15 |
| 29 | 25 |
| 30 | 29584 |
| 31 | 11751184 |
| 32 | 141086884 |
| 33 | 141086884 |
| 34 | 11751184 |
| 35 | 29584 |
| 36 | 25 |
| 37 | 40 |
| 38 | 160000 |
| 39 | 256052940 |
| 40 | 10808097444 |
| 41 | 34502512032 |
[1,1,1,2,4,2,4,36,36,4,6,196,1272,196,6,9,961, 26244,26244,961,9,15,5329,532620,1993744,532620, 5329,15,25,29584,11751184,141086884,141086884, 11751184,29584,25,40,160000,256052940,10808097444, 34502512032] |