Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 23 |
4 | 86 |
5 | 324 |
6 | 1299 |
7 | 5220 |
8 | 21719 |
9 | 90339 |
10 | 384266 |
11 | 1636936 |
12 | 7082536 |
13 | 30702416 |
14 | 134564005 |
15 | 590760674 |
16 | 2614779499 |
17 | 11592637398 |
18 | 51721170509 |
19 | 231138434046 |
20 | 1038072189221 |
21 | 4669365170633 |
22 | 21086844125900 |
23 | 95366701040696 |
24 | 432706722580237 |
25 | 1965994726429393 |
26 | 8956638737150482 |
27 | 40856306161760969 |
[1,2,7,23,86,324,1299,5220,21719,90339,384266, 1636936,7082536,30702416,134564005,590760674, 2614779499,11592637398,51721170509,231138434046, 1038072189221,4669365170633,21086844125900, 95366701040696,432706722580237,1965994726429393, 8956638737150482,40856306161760969] |