Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 16 |
4 | 42 |
5 | 104 |
6 | 252 |
7 | 600 |
8 | 1402 |
9 | 3218 |
10 | 7282 |
11 | 16288 |
12 | 36048 |
13 | 78988 |
14 | 171516 |
15 | 369416 |
16 | 789762 |
17 | 1676818 |
18 | 3537622 |
19 | 7419544 |
20 | 15475756 |
21 | 32112968 |
22 | 66313088 |
23 | 136312608 |
24 | 279000612 |
25 | 568732738 |
26 | 1154881834 |
27 | 2336565080 |
28 | 4710930856 |
29 | 9466623964 |
30 | 18963077484 |
31 | 37871190504 |
[1,2,6,16,42,104,252,600,1402,3218,7282,16288, 36048,78988,171516,369416,789762,1676818,3537622, 7419544,15475756,32112968,66313088,136312608, 279000612,568732738,1154881834,2336565080, 4710930856,9466623964,18963077484,37871190504] |