Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 43 |
6 | 139 |
7 | 465 |
8 | 1595 |
9 | 5577 |
10 | 19805 |
11 | 71240 |
12 | 259037 |
13 | 950590 |
14 | 3516110 |
15 | 13095440 |
16 | 49068051 |
17 | 184839543 |
18 | 699607625 |
19 | 2659276675 |
20 | 10147039881 |
21 | 38853068780 |
22 | 149240187330 |
23 | 574913637375 |
24 | 2220609902199 |
25 | 8598120578442 |
26 | 33366877654697 |
27 | 129758691426484 |
[1,1,2,5,14,43,139,465,1595,5577,19805,71240, 259037,950590,3516110,13095440,49068051,184839543, 699607625,2659276675,10147039881,38853068780, 149240187330,574913637375,2220609902199, 8598120578442,33366877654697,129758691426484] |