Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 13 |
5 | 60 |
6 | 346 |
7 | 2326 |
8 | 17972 |
9 | 156848 |
10 | 1525708 |
11 | 16366685 |
12 | 191936577 |
13 | 2442829156 |
14 | 33533382055 |
15 | 493855262996 |
16 | 7766996408941 |
17 | 129920667204110 |
18 | 2303139100436492 |
19 | 43131514062719763 |
20 | 850867141055471684 |
[1,1,1,3,13,60,346,2326,17972,156848,1525708, 16366685,191936577,2442829156,33533382055, 493855262996,7766996408941,129920667204110, 2303139100436492,43131514062719763, 850867141055471684] |