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 | 7 |
4 | 17 |
5 | 78 |
6 | 247 |
7 | 916 |
8 | 3301 |
9 | 11272 |
10 | 41854 |
11 | 150485 |
12 | 538585 |
13 | 1954912 |
14 | 6978464 |
15 | 25170446 |
16 | 90851829 |
17 | 326048198 |
18 | 1176355862 |
19 | 4230352602 |
20 | 15222263126 |
21 | 54855015353 |
22 | 197302183497 |
23 | 710556528403 |
24 | 2557837610375 |
25 | 9205575728179 |
26 | 33148388282116 |
27 | 119307072980025 |
[1,1,3,7,17,78,247,916,3301,11272,41854,150485, 538585,1954912,6978464,25170446,90851829, 326048198,1176355862,4230352602,15222263126, 54855015353,197302183497,710556528403, 2557837610375,9205575728179,33148388282116, 119307072980025] |