Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 52 |
5 | 261 |
6 | 1666 |
7 | 14400 |
8 | 159250 |
9 | 2308545 |
10 | 43718544 |
11 | 1079620569 |
12 | 34863330980 |
13 | 1466458546176 |
14 | 80646187346132 |
15 | 5787269582487581 |
16 | 541901038236234048 |
17 | 66279540183479379277 |
18 | 10578427028263503488000 |
[1,2,5,13,52,261,1666,14400,159250,2308545, 43718544,1079620569,34863330980,1466458546176, 80646187346132,5787269582487581, 541901038236234048,66279540183479379277, 10578427028263503488000] |