n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 28 |
4 | 204 |
5 | 2995 |
6 | 73031 |
7 | 3646656 |
8 | 442204876 |
9 | 110715247064 |
10 | 59638747389710 |
11 | 71177795600554924 |
12 | 181350693611354151984 |
13 | 1002521061243272588552787 |
[1,8,28,204,2995,73031,3646656,442204876, 110715247064,59638747389710,71177795600554924, 181350693611354151984,1002521061243272588552787] |