Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 56 |
5 | 283 |
6 | 1503 |
7 | 8262 |
8 | 46591 |
9 | 267984 |
10 | 1565949 |
11 | 9269559 |
12 | 55465035 |
13 | 334919996 |
14 | 2038268620 |
15 | 12489068727 |
16 | 76980573203 |
17 | 476994419698 |
18 | 2969444848029 |
19 | 18563305700106 |
20 | 116485903375761 |
21 | 733457500802353 |
[1,1,3,12,56,283,1503,8262,46591,267984,1565949, 9269559,55465035,334919996,2038268620,12489068727, 76980573203,476994419698,2969444848029, 18563305700106,116485903375761,733457500802353] |