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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 13 |
| 5 | 1 |
| 6 | 1 |
| 7 | 91 |
| 8 | 91 |
| 9 | 1 |
| 10 | 1 |
| 11 | 455 |
| 12 | 3185 |
| 13 | 455 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1820 |
| 17 | 63700 |
| 18 | 63700 |
| 19 | 1820 |
| 20 | 1 |
| 21 | 1 |
| 22 | 6188 |
| 23 | 866320 |
| 24 | 4331600 |
| 25 | 866320 |
| 26 | 6188 |
| 27 | 1 |
| 28 | 1 |
| 29 | 18564 |
| 30 | 8836464 |
| 31 | 176729280 |
| 32 | 176729280 |
| 33 | 8836464 |
| 34 | 18564 |
| 35 | 1 |
| 36 | 1 |
| 37 | 50388 |
| 38 | 71954064 |
| 39 | 4892876352 |
| 40 | 19571505408 |
| 41 | 4892876352 |
| 42 | 71954064 |
| 43 | 50388 |
| 44 | 1 |
[1,1,1,1,13,1,1,91,91,1,1,455,3185,455,1,1,1820, 63700,63700,1820,1,1,6188,866320,4331600,866320, 6188,1,1,18564,8836464,176729280,176729280, 8836464,18564,1,1,50388,71954064,4892876352, 19571505408,4892876352,71954064,50388,1] |