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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 8 |
| 5 | 8 |
| 6 | 1 |
| 7 | 26 |
| 8 | 190 |
| 9 | 190 |
| 10 | 1 |
| 11 | 60 |
| 12 | 1270 |
| 13 | 9080 |
| 14 | 9080 |
| 15 | 1 |
| 16 | 115 |
| 17 | 5180 |
| 18 | 102320 |
| 19 | 725320 |
| 20 | 725320 |
| 21 | 1 |
| 22 | 196 |
| 23 | 15960 |
| 24 | 644960 |
| 25 | 12334600 |
| 26 | 87067520 |
| 27 | 87067520 |
| 28 | 1 |
| 29 | 308 |
| 30 | 40908 |
| 31 | 2894900 |
| 32 | 110761200 |
| 33 | 2080769120 |
| 34 | 14652451360 |
| 35 | 14652451360 |
[1,1,1,1,8,8,1,26,190,190,1,60,1270,9080,9080,1, 115,5180,102320,725320,725320,1,196,15960,644960, 12334600,87067520,87067520,1,308,40908,2894900, 110761200,2080769120,14652451360,14652451360] |