| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 7 |
| 6 | 1 |
| 7 | 4 |
| 8 | 48 |
| 9 | 48 |
| 10 | 4 |
| 11 | 7 |
| 12 | 321 |
| 13 | 702 |
| 14 | 321 |
| 15 | 7 |
| 16 | 19 |
| 17 | 2175 |
| 18 | 14364 |
| 19 | 14364 |
| 20 | 2175 |
| 21 | 19 |
| 22 | 40 |
| 23 | 14748 |
| 24 | 253341 |
| 25 | 751266 |
| 26 | 253341 |
| 27 | 14748 |
| 28 | 40 |
| 29 | 97 |
| 30 | 99933 |
| 31 | 4762206 |
| 32 | 37402872 |
| 33 | 37402872 |
| 34 | 4762206 |
| 35 | 99933 |
| 36 | 97 |
| 37 | 217 |
| 38 | 677283 |
| 39 | 87054174 |
| 40 | 1899336597 |
| 41 | 5033988714 |
| 42 | 1899336597 |
[0,1,1,1,7,1,4,48,48,4,7,321,702,321,7,19,2175, 14364,14364,2175,19,40,14748,253341,751266,253341, 14748,40,97,99933,4762206,37402872,37402872, 4762206,99933,97,217,677283,87054174,1899336597, 5033988714,1899336597] |