Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 129 |
4 | 2444 |
5 | 18700 |
6 | 99012 |
7 | 376761 |
8 | 1216688 |
9 | 3297456 |
10 | 8158550 |
11 | 18080425 |
12 | 37847532 |
13 | 73399404 |
14 | 136971464 |
15 | 241561425 |
16 | 414517952 |
17 | 680856256 |
18 | 1095977898 |
19 | 1703414961 |
20 | 2607286700 |
21 | 3877286700 |
22 | 5697862412 |
23 | 8172733129 |
24 | 11613390384 |
25 | 16164030000 |
26 | 22330294142 |
[0,2,129,2444,18700,99012,376761,1216688,3297456, 8158550,18080425,37847532,73399404,136971464, 241561425,414517952,680856256,1095977898, 1703414961,2607286700,3877286700,5697862412, 8172733129,11613390384,16164030000,22330294142] |