n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 72 |
5 | 27664 |
6 | 2864328 |
7 | 163809288 |
8 | 6727188848 |
9 | 225167210712 |
10 | 6590156148912 |
11 | 175992170793456 |
12 | 4407169187423736 |
13 | 105396936343707456 |
14 | 2437638848729751736 |
15 | 55010494951127561400 |
16 | 1219075824289276443744 |
17 | 26652917330108137129544 |
18 | 576864003740129587504224 |
[0,0,0,72,27664,2864328,163809288,6727188848, 225167210712,6590156148912,175992170793456, 4407169187423736,105396936343707456, 2437638848729751736,55010494951127561400, 1219075824289276443744,26652917330108137129544, 576864003740129587504224] |