Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 43 |
6 | 137 |
7 | 436 |
8 | 1394 |
9 | 4458 |
10 | 14258 |
11 | 45607 |
12 | 145888 |
13 | 466673 |
14 | 1492823 |
15 | 4775347 |
16 | 15275728 |
17 | 48865129 |
18 | 156313412 |
19 | 500027005 |
20 | 1599523726 |
21 | 5116675993 |
22 | 16367605483 |
23 | 52357919474 |
24 | 167486425305 |
25 | 535768092953 |
26 | 1713855012003 |
27 | 5482407483581 |
[0,2,5,13,43,137,436,1394,4458,14258,45607,145888, 466673,1492823,4775347,15275728,48865129, 156313412,500027005,1599523726,5116675993, 16367605483,52357919474,167486425305,535768092953, 1713855012003,5482407483581] |