Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 16 |
3 | 62 |
4 | 240 |
5 | 932 |
6 | 3620 |
7 | 14056 |
8 | 54576 |
9 | 211912 |
10 | 822832 |
11 | 3194960 |
12 | 12405648 |
13 | 48169664 |
14 | 187037120 |
15 | 726243040 |
16 | 2819915904 |
17 | 10949400256 |
18 | 42515227456 |
19 | 165081604736 |
20 | 640992365568 |
21 | 2488897617536 |
22 | 9664095367424 |
23 | 37524540428032 |
[4,16,62,240,932,3620,14056,54576,211912,822832, 3194960,12405648,48169664,187037120,726243040, 2819915904,10949400256,42515227456,165081604736, 640992365568,2488897617536,9664095367424, 37524540428032] |