Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 13 |
4 | 57 |
5 | 236 |
6 | 1106 |
7 | 5136 |
8 | 25112 |
9 | 123604 |
10 | 624229 |
11 | 3181337 |
12 | 16456910 |
13 | 85845734 |
14 | 452215297 |
15 | 2398829267 |
16 | 12815000375 |
17 | 68850087543 |
18 | 371908087035 |
19 | 2018269612417 |
20 | 10999942891088 |
21 | 60181126016328 |
22 | 330414426742222 |
23 | 1819877327401550 |
24 | 10053145748429452 |
25 | 55684213462489305 |
26 | 309204003830794592 |
[1,1,4,13,57,236,1106,5136,25112,123604,624229, 3181337,16456910,85845734,452215297,2398829267, 12815000375,68850087543,371908087035, 2018269612417,10999942891088,60181126016328, 330414426742222,1819877327401550, 10053145748429452,55684213462489305, 309204003830794592] |