Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 2 |
2 | 1 |
3 | 5 |
4 | 4 |
5 | 13 |
6 | 30 |
7 | 43 |
8 | 129 |
9 | 245 |
10 | 519 |
11 | 1254 |
12 | 2525 |
13 | 5707 |
14 | 12749 |
15 | 27205 |
16 | 60962 |
17 | 133639 |
18 | 292125 |
19 | 647249 |
20 | 1418245 |
21 | 3119874 |
22 | 6875729 |
23 | 15098235 |
24 | 33237465 |
25 | 73128441 |
26 | 160782286 |
27 | 353832779 |
28 | 778266279 |
29 | 1711882901 |
30 | 3766329669 |
31 | 8284438272 |
[2,1,5,4,13,30,43,129,245,519,1254,2525,5707, 12749,27205,60962,133639,292125,647249,1418245, 3119874,6875729,15098235,33237465,73128441, 160782286,353832779,778266279,1711882901, 3766329669,8284438272] |