Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 12 |
5 | 51 |
6 | 217 |
7 | 912 |
8 | 3785 |
9 | 15554 |
10 | 63458 |
11 | 257566 |
12 | 1041548 |
13 | 4200462 |
14 | 16906262 |
15 | 67943341 |
16 | 272740788 |
17 | 1093881967 |
18 | 4384217569 |
19 | 17562176283 |
20 | 70319782015 |
21 | 281466691159 |
22 | 1126304935761 |
23 | 4505961410365 |
24 | 18023526090613 |
25 | 72082118816829 |
26 | 288245594631227 |
27 | 1152536796877409 |
28 | 4607992736095739 |
29 | 18422141293792669 |
30 | 73645313049839723 |
[1,1,3,12,51,217,912,3785,15554,63458,257566, 1041548,4200462,16906262,67943341,272740788, 1093881967,4384217569,17562176283,70319782015, 281466691159,1126304935761,4505961410365, 18023526090613,72082118816829,288245594631227, 1152536796877409,4607992736095739, 18422141293792669,73645313049839723] |