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| n | a(n) |
|---|---|
| 2 | 0 |
| 3 | 4 |
| 4 | 4 |
| 5 | 15 |
| 6 | 21 |
| 7 | 0 |
| 8 | 58 |
| 9 | 69 |
| 10 | 83 |
| 11 | 0 |
| 12 | 99 |
| 13 | 235 |
| 14 | 1254 |
| 15 | 1926 |
| 16 | 1153 |
| 17 | 0 |
| 18 | 2256 |
| 19 | 0 |
| 20 | 1843 |
| 21 | 999 |
| 22 | 16864 |
| 23 | 0 |
| 24 | 3197 |
| 25 | 2677 |
| 26 | 39556 |
| 27 | 82048 |
| 28 | 42459 |
| 29 | 0 |
| 30 | 109013 |
| 31 | 0 |
| 32 | 134283 |
| 33 | 8073 |
| 34 | 357713 |
| 35 | 99475 |
| 36 | 257863 |
| 37 | 33031 |
| 38 | 1425824 |
| 39 | 507881 |
| 40 | 541625 |
| 41 | 0 |
[0,4,4,15,21,0,58,69,83,0,99,235,1254,1926,1153,0, 2256,0,1843,999,16864,0,3197,2677,39556,82048, 42459,0,109013,0,134283,8073,357713,99475,257863, 33031,1425824,507881,541625,0] |