Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 21 |
2 | 105 |
3 | 453 |
4 | 1833 |
5 | 7221 |
6 | 28185 |
7 | 109893 |
8 | 429513 |
9 | 1684821 |
10 | 6633465 |
11 | 26204133 |
12 | 103802793 |
13 | 412120821 |
14 | 1639113945 |
[21,105,453,1833,7221,28185,109893,429513,1684821, 6633465,26204133,103802793,412120821,1639113945] |