Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 23 |
5 | 110 |
6 | 630 |
7 | 4200 |
8 | 31990 |
9 | 274051 |
10 | 2608220 |
11 | 27304530 |
12 | 311820630 |
13 | 3857738170 |
14 | 51397726380 |
15 | 733698365400 |
16 | 11171708347799 |
17 | 180738402744866 |
18 | 3096027531044102 |
19 | 55980949167688884 |
20 | 1065496642477438890 |
21 | 21293801805033731190 |
22 | 445818117237227995260 |
[1,1,2,6,23,110,630,4200,31990,274051,2608220, 27304530,311820630,3857738170,51397726380, 733698365400,11171708347799,180738402744866, 3096027531044102,55980949167688884, 1065496642477438890,21293801805033731190, 445818117237227995260] |