Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 6 |
4 | 17 |
5 | 55 |
6 | 207 |
7 | 882 |
8 | 4146 |
9 | 21154 |
10 | 115983 |
11 | 678579 |
12 | 4213607 |
13 | 27644448 |
14 | 190899334 |
15 | 1382958558 |
16 | 10480142161 |
17 | 82864869819 |
18 | 682076806175 |
19 | 5832742205074 |
20 | 51724158235390 |
21 | 474869816156770 |
22 | 4506715738447343 |
23 | 44152005855084367 |
24 | 445958869294805311 |
25 | 4638590332229999376 |
[0,2,6,17,55,207,882,4146,21154,115983,678579, 4213607,27644448,190899334,1382958558,10480142161, 82864869819,682076806175,5832742205074, 51724158235390,474869816156770,4506715738447343, 44152005855084367,445958869294805311, 4638590332229999376] |