n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 16 |
5 | 54 |
6 | 232 |
7 | 1132 |
8 | 6024 |
9 | 36262 |
10 | 242080 |
11 | 1775316 |
12 | 14135584 |
13 | 122077832 |
14 | 1131066448 |
15 | 11230979624 |
16 | 118638940864 |
[1,1,2,6,16,54,232,1132,6024,36262,242080,1775316, 14135584,122077832,1131066448,11230979624, 118638940864] |