Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 30 |
5 | 21 |
6 | 132 |
7 | 3003 |
8 | 51051 |
9 | 285285 |
10 | 13399386 |
11 | 1983580599 |
12 | 308476470621 |
13 | 4664762967711 |
14 | 48285399661224 |
15 | 1815318072406212 |
16 | 99924007282353507 |
17 | 3738372398312278947 |
18 | 442424606197031564007 |
19 | 42728372978287991878884 |
[1,2,6,30,21,132,3003,51051,285285,13399386, 1983580599,308476470621,4664762967711, 48285399661224,1815318072406212,99924007282353507, 3738372398312278947,442424606197031564007, 42728372978287991878884] |