n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 1260 |
3 | 471517200 |
4 | 550527639742080000 |
5 | 5190428913555819988454400000000 |
6 | 850897011688550259860209488988778496000000000000 |
7 | 4613713285873452716084822982464795709127827429408768000000000000000000 |
[1,3,1260,471517200,550527639742080000, 5190428913555819988454400000000, 850897011688550259860209488988778496000000000000, 46137132858734527160848229824647957091278274294087\ 68000000000000000000] |