n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 74 |
6 | 368 |
7 | 2140 |
8 | 11468 |
9 | 78848 |
10 | 636700 |
11 | 4866484 |
12 | 43893944 |
13 | 452631554 |
14 | 4475626268 |
15 | 50128776656 |
16 | 625960035472 |
[1,2,6,24,74,368,2140,11468,78848,636700,4866484, 43893944,452631554,4475626268,50128776656, 625960035472] |