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 | 8 |
4 | 21 |
5 | 65 |
6 | 267 |
7 | 804 |
8 | 2530 |
9 | 9407 |
10 | 29876 |
11 | 96530 |
12 | 337607 |
13 | 1100968 |
14 | 3612017 |
15 | 12284181 |
16 | 40538721 |
17 | 133971666 |
18 | 450045654 |
19 | 1492504271 |
20 | 4949649998 |
21 | 16537407509 |
22 | 54951656907 |
23 | 182545459254 |
24 | 608458757050 |
25 | 2023395434235 |
26 | 6727009100372 |
27 | 22399013790607 |
[1,1,2,8,21,65,267,804,2530,9407,29876,96530, 337607,1100968,3612017,12284181,40538721, 133971666,450045654,1492504271,4949649998, 16537407509,54951656907,182545459254,608458757050, 2023395434235,6727009100372,22399013790607] |