Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 7 |
3 | 17 |
4 | 57 |
5 | 177 |
6 | 577 |
7 | 1857 |
8 | 6017 |
9 | 19457 |
10 | 62977 |
11 | 203777 |
12 | 659457 |
13 | 2134017 |
14 | 6905857 |
15 | 22347777 |
16 | 72318977 |
17 | 234029057 |
18 | 757334017 |
19 | 2450784257 |
20 | 7930904577 |
21 | 25664946177 |
22 | 83053510657 |
23 | 268766806017 |
24 | 869747654657 |
25 | 2814562533377 |
26 | 9108115685377 |
27 | 29474481504257 |
[2,2,7,17,57,177,577,1857,6017,19457,62977,203777, 659457,2134017,6905857,22347777,72318977, 234029057,757334017,2450784257,7930904577, 25664946177,83053510657,268766806017,869747654657, 2814562533377,9108115685377,29474481504257] |