n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 56 |
5 | 108 |
6 | 5536 |
7 | 28074040 |
8 | 39648 |
9 | 147312 |
10 | 18566888967365603514688 |
11 | 9966792788887776 |
12 | 2775641472 |
13 | 2505471397838180985096739296 |
14 | 1445523368993397560000765219760086502994234237205516083525719052320 |
15 | 44092571484448511101335177770183225655413760 |
[1,2,4,8,56,108,5536,28074040,39648,147312, 18566888967365603514688,9966792788887776, 2775641472,2505471397838180985096739296, 14455233689933975600007652197600865029942342372055\ 16083525719052320, 44092571484448511101335177770183225655413760] |