Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 21 |
4 | 95 |
5 | 415 |
6 | 1851 |
7 | 8155 |
8 | 36030 |
9 | 158510 |
10 | 696502 |
11 | 3052966 |
12 | 13359230 |
13 | 58346206 |
14 | 254405630 |
15 | 1107479694 |
16 | 4813850699 |
17 | 20894227355 |
18 | 90567536543 |
19 | 392066476815 |
20 | 1695180397145 |
21 | 7320927664713 |
22 | 31581573600685 |
23 | 136094434672509 |
24 | 585876330191950 |
25 | 2519701493092958 |
[1,1,5,21,95,415,1851,8155,36030,158510,696502, 3052966,13359230,58346206,254405630,1107479694, 4813850699,20894227355,90567536543,392066476815, 1695180397145,7320927664713,31581573600685, 136094434672509,585876330191950,2519701493092958] |