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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 5 |
| 2 | 5 |
| 3 | 13 |
| 4 | 24 |
| 5 | 13 |
| 6 | 35 |
| 7 | 120 |
| 8 | 120 |
| 9 | 35 |
| 10 | 97 |
| 11 | 546 |
| 12 | 1008 |
| 13 | 546 |
| 14 | 97 |
| 15 | 275 |
| 16 | 2310 |
| 17 | 7200 |
| 18 | 7200 |
| 19 | 2310 |
| 20 | 275 |
| 21 | 793 |
| 22 | 9312 |
| 23 | 44928 |
| 24 | 77760 |
| 25 | 44928 |
| 26 | 9312 |
| 27 | 793 |
| 28 | 2315 |
| 29 | 36300 |
| 30 | 255780 |
| 31 | 703080 |
| 32 | 703080 |
| 33 | 255780 |
| 34 | 36300 |
| 35 | 2315 |
| 36 | 6817 |
| 37 | 137982 |
| 38 | 1372356 |
| 39 | 5660928 |
| 40 | 8817984 |
| 41 | 5660928 |
| 42 | 1372356 |
| 43 | 137982 |
| 44 | 6817 |
[4,5,5,13,24,13,35,120,120,35,97,546,1008,546,97, 275,2310,7200,7200,2310,275,793,9312,44928,77760, 44928,9312,793,2315,36300,255780,703080,703080, 255780,36300,2315,6817,137982,1372356,5660928, 8817984,5660928,1372356,137982,6817] |