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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 10 |
| 3 | 35 |
| 4 | 1 |
| 5 | 127 |
| 6 | 10 |
| 7 | 474 |
| 8 | 69 |
| 9 | 1810 |
| 10 | 406 |
| 11 | 3 |
| 12 | 7043 |
| 13 | 2193 |
| 14 | 49 |
| 15 | 27839 |
| 16 | 11252 |
| 17 | 496 |
| 18 | 111503 |
| 19 | 55858 |
| 20 | 3996 |
| 21 | 12 |
| 22 | 451640 |
| 23 | 271206 |
| 24 | 28120 |
| 25 | 270 |
| 26 | 1847032 |
| 27 | 1296584 |
| 28 | 181027 |
| 29 | 3575 |
| 30 | 7616692 |
| 31 | 6130552 |
| 32 | 1094856 |
| 33 | 36300 |
| 34 | 55 |
| 35 | 31637664 |
| 36 | 28753124 |
| 37 | 6325592 |
| 38 | 312832 |
[1,3,10,35,1,127,10,474,69,1810,406,3,7043,2193, 49,27839,11252,496,111503,55858,3996,12,451640, 271206,28120,270,1847032,1296584,181027,3575, 7616692,6130552,1094856,36300,55,31637664, 28753124,6325592,312832] |