Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 49 |
4 | 219 |
5 | 971 |
6 | 4499 |
7 | 20679 |
8 | 97652 |
9 | 458010 |
10 | 2187664 |
11 | 10392377 |
12 | 50018335 |
13 | 239690199 |
14 | 1159912997 |
15 | 5593476880 |
16 | 27178383256 |
17 | 131685711649 |
18 | 641876232929 |
19 | 3121517496002 |
20 | 15253605572885 |
21 | 74398068178947 |
22 | 364302080576825 |
23 | 1781098822234544 |
24 | 8736369426482435 |
25 | 42797279032088982 |
26 | 210226191534353452 |
[1,3,12,49,219,971,4499,20679,97652,458010, 2187664,10392377,50018335,239690199,1159912997, 5593476880,27178383256,131685711649,641876232929, 3121517496002,15253605572885,74398068178947, 364302080576825,1781098822234544,8736369426482435, 42797279032088982,210226191534353452] |