n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 88 |
3 | 1232 |
4 | 20944 |
5 | 418880 |
6 | 9634240 |
7 | 250490240 |
8 | 7264216960 |
9 | 232454942720 |
10 | 8135922995200 |
11 | 309165073817600 |
12 | 12675768026521600 |
13 | 557733793166950400 |
14 | 26213488278846668800 |
15 | 1310674413942333440000 |
16 | 69465743938943672320000 |
17 | 3890081660580845649920000 |
[1,8,88,1232,20944,418880,9634240,250490240, 7264216960,232454942720,8135922995200, 309165073817600,12675768026521600, 557733793166950400,26213488278846668800, 1310674413942333440000,69465743938943672320000, 3890081660580845649920000] |