Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
3 | 4 |
4 | 6 |
5 | 26 |
6 | 80 |
7 | 246 |
8 | 810 |
9 | 2704 |
10 | 9252 |
11 | 32066 |
12 | 112720 |
13 | 400024 |
14 | 1432860 |
15 | 5170604 |
16 | 18784170 |
17 | 68635478 |
18 | 252088496 |
19 | 930138522 |
20 | 3446167860 |
21 | 12815663844 |
22 | 47820447028 |
23 | 178987624514 |
24 | 671825133648 |
25 | 2528212128776 |
26 | 9536895064400 |
[4,6,26,80,246,810,2704,9252,32066,112720,400024, 1432860,5170604,18784170,68635478,252088496, 930138522,3446167860,12815663844,47820447028, 178987624514,671825133648,2528212128776, 9536895064400] |