n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 32 |
3 | 352 |
4 | 4736 |
5 | 72832 |
6 | 1226240 |
7 | 21948928 |
8 | 409192448 |
9 | 7833143296 |
10 | 152494727168 |
11 | 3000118779904 |
12 | 59406517698560 |
13 | 1180988766453760 |
14 | 23534128521936896 |
15 | 469655122210324480 |
16 | 9380774946206646272 |
17 | 187467580232576794624 |
18 | 3747576648059504820224 |
[1,4,32,352,4736,72832,1226240,21948928,409192448, 7833143296,152494727168,3000118779904, 59406517698560,1180988766453760,23534128521936896, 469655122210324480,9380774946206646272, 187467580232576794624,3747576648059504820224] |