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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 1 |
| 7 | 1 |
| 8 | 15 |
| 9 | 15 |
| 10 | 1 |
| 11 | 1 |
| 12 | 56 |
| 13 | 192 |
| 14 | 56 |
| 15 | 1 |
| 16 | 1 |
| 17 | 209 |
| 18 | 2415 |
| 19 | 2415 |
| 20 | 209 |
| 21 | 1 |
| 22 | 1 |
| 23 | 780 |
| 24 | 30305 |
| 25 | 100352 |
| 26 | 30305 |
| 27 | 780 |
| 28 | 1 |
| 29 | 1 |
| 30 | 2911 |
| 31 | 380160 |
| 32 | 4140081 |
| 33 | 4140081 |
| 34 | 380160 |
| 35 | 2911 |
| 36 | 1 |
| 37 | 1 |
| 38 | 10864 |
| 39 | 4768673 |
| 40 | 170537640 |
| 41 | 557568000 |
| 42 | 170537640 |
| 43 | 4768673 |
| 44 | 10864 |
| 45 | 1 |
[1,1,1,1,4,1,1,15,15,1,1,56,192,56,1,1,209,2415, 2415,209,1,1,780,30305,100352,30305,780,1,1,2911, 380160,4140081,4140081,380160,2911,1,1,10864, 4768673,170537640,557568000,170537640,4768673, 10864,1] |