Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 21 |
4 | 63 |
5 | 189 |
6 | 567 |
7 | 1701 |
8 | 5103 |
9 | 15309 |
10 | 45927 |
11 | 137781 |
12 | 413343 |
13 | 1240029 |
14 | 3720087 |
15 | 11160261 |
16 | 33480783 |
17 | 100442349 |
18 | 301327047 |
19 | 903981141 |
20 | 2711943423 |
21 | 8135830269 |
22 | 24407490807 |
23 | 73222472421 |
24 | 219667417263 |
25 | 659002251789 |
[1,3,7,21,63,189,567,1701,5103,15309,45927,137781, 413343,1240029,3720087,11160261,33480783, 100442349,301327047,903981141,2711943423, 8135830269,24407490807,73222472421,219667417263, 659002251789] |