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 | 21 |
4 | 85 |
5 | 430 |
6 | 2586 |
7 | 18109 |
8 | 144873 |
9 | 1303866 |
10 | 13038670 |
11 | 143425381 |
12 | 1721104573 |
13 | 22374359462 |
14 | 313241032482 |
15 | 4698615487245 |
16 | 75177847795921 |
17 | 1278023412530674 |
18 | 23004421425552150 |
19 | 437084007085490869 |
20 | 8741680141709817381 |
21 | 183575282975906165022 |
[1,2,6,21,85,430,2586,18109,144873,1303866, 13038670,143425381,1721104573,22374359462, 313241032482,4698615487245,75177847795921, 1278023412530674,23004421425552150, 437084007085490869,8741680141709817381, 183575282975906165022] |