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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 7 |
| 5 | 2 |
| 6 | 28 |
| 7 | 16 |
| 8 | 131 |
| 9 | 118 |
| 10 | 16 |
| 11 | 690 |
| 12 | 892 |
| 13 | 272 |
| 14 | 4033 |
| 15 | 7060 |
| 16 | 3468 |
| 17 | 272 |
| 18 | 25864 |
| 19 | 58608 |
| 20 | 41088 |
| 21 | 7936 |
| 22 | 180265 |
| 23 | 510812 |
| 24 | 479772 |
| 25 | 156176 |
| 26 | 7936 |
| 27 | 1354458 |
| 28 | 4675912 |
| 29 | 5635224 |
| 30 | 2665184 |
| 31 | 353792 |
| 32 | 10898823 |
| 33 | 44918110 |
| 34 | 67238764 |
| 35 | 42832648 |
| 36 | 9972704 |
| 37 | 353792 |
| 38 | 93407828 |
| 39 | 452104928 |
[0,1,2,7,2,28,16,131,118,16,690,892,272,4033,7060, 3468,272,25864,58608,41088,7936,180265,510812, 479772,156176,7936,1354458,4675912,5635224, 2665184,353792,10898823,44918110,67238764, 42832648,9972704,353792,93407828,452104928] |