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| n | a(n) |
|---|---|
| 3 | 2 |
| 4 | 1 |
| 5 | 10 |
| 6 | 25 |
| 7 | 49 |
| 8 | 651 |
| 9 | 819 |
| 10 | 8420 |
| 11 | 67243 |
| 12 | 55748 |
| 13 | 1812811 |
| 14 | 14107093 |
| 15 | 11951940 |
| 16 | 546956046 |
| 17 | 5292109758 |
| 18 | 8426418390 |
| 19 | 216826368641 |
| 20 | 3159650017954 |
| 21 | 9238538881880 |
| 22 | 99564223542300 |
| 23 | 2578113791896500 |
| 24 | 12368492541141000 |
| 25 | 35241941082414495 |
[2,1,10,25,49,651,819,8420,67243,55748,1812811, 14107093,11951940,546956046,5292109758,8426418390, 216826368641,3159650017954,9238538881880, 99564223542300,2578113791896500,12368492541141000, 35241941082414495] |