n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 14 |
4 | 88 |
5 | 856 |
6 | 8912 |
7 | 115184 |
8 | 1644928 |
9 | 26916736 |
10 | 484527872 |
11 | 9646440704 |
12 | 208891091968 |
13 | 4908327894016 |
14 | 124094242629632 |
15 | 3363100573005824 |
16 | 97195058375262208 |
17 | 2984961531977629696 |
18 | 97056253813754888192 |
19 | 3331252527903082348544 |
[0,1,2,14,88,856,8912,115184,1644928,26916736, 484527872,9646440704,208891091968,4908327894016, 124094242629632,3363100573005824, 97195058375262208,2984961531977629696, 97056253813754888192,3331252527903082348544] |