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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 1 |
| 7 | 11 |
| 8 | 4 |
| 9 | 14 |
| 10 | 4 |
| 11 | 274 |
| 12 | 6 |
| 13 | 1764 |
| 14 | 23 |
| 15 | 106 |
| 16 | 176 |
| 17 | 109584 |
| 18 | 47 |
| 19 | 1026576 |
| 20 | 300 |
| 21 | 6960 |
| 22 | 1689 |
| 23 | 120543840 |
| 24 | 552 |
| 25 | 26854848 |
| 26 | 19524 |
| 27 | 7962160 |
| 28 | 34986 |
| 29 | 283465647360 |
| 30 | 1312 |
| 31 | 4339163001600 |
| 32 | 4098240 |
| 33 | 164944640 |
| 34 | 4098240 |
| 35 | 13833580032 |
| 36 | 133542 |
| 37 | 22376988058521600 |
| 38 | 71697105 |
[1,1,1,3,1,11,4,14,4,274,6,1764,23,106,176,109584, 47,1026576,300,6960,1689,120543840,552,26854848, 19524,7962160,34986,283465647360,1312, 4339163001600,4098240,164944640,4098240, 13833580032,133542,22376988058521600,71697105] |