Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 25 |
5 | 65 |
6 | 226 |
7 | 755 |
8 | 2539 |
9 | 8794 |
10 | 30539 |
11 | 106401 |
12 | 371492 |
13 | 1298761 |
14 | 4544515 |
15 | 15909548 |
16 | 55710973 |
17 | 195119181 |
18 | 683443550 |
19 | 2394043807 |
20 | 8386437959 |
21 | 29378680446 |
22 | 102918338575 |
23 | 360542635085 |
24 | 1263055770396 |
25 | 4424759215289 |
26 | 15500920405007 |
[1,3,8,25,65,226,755,2539,8794,30539,106401, 371492,1298761,4544515,15909548,55710973, 195119181,683443550,2394043807,8386437959, 29378680446,102918338575,360542635085, 1263055770396,4424759215289,15500920405007] |