Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 7 |
2 | 21 |
3 | 45 |
4 | 129 |
5 | 373 |
6 | 1177 |
7 | 3741 |
8 | 12065 |
9 | 38949 |
10 | 125993 |
11 | 407597 |
12 | 1318961 |
13 | 4268085 |
14 | 13811769 |
15 | 44695613 |
16 | 144638017 |
17 | 468058181 |
18 | 1514668105 |
19 | 4901568589 |
20 | 15861809233 |
21 | 51329892437 |
22 | 166107021401 |
23 | 537533612125 |
24 | 1739495309409 |
25 | 5629125066853 |
26 | 18216231370857 |
27 | 58948963008621 |
[7,21,45,129,373,1177,3741,12065,38949,125993, 407597,1318961,4268085,13811769,44695613, 144638017,468058181,1514668105,4901568589, 15861809233,51329892437,166107021401,537533612125, 1739495309409,5629125066853,18216231370857, 58948963008621] |