Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 9 |
4 | 20 |
5 | 41 |
6 | 85 |
7 | 173 |
8 | 349 |
9 | 701 |
10 | 1405 |
11 | 2813 |
12 | 5629 |
13 | 11261 |
14 | 22525 |
15 | 45053 |
16 | 90113 |
17 | 180232 |
18 | 360466 |
19 | 720937 |
20 | 1441877 |
21 | 2883761 |
22 | 5767525 |
23 | 11535053 |
24 | 23070112 |
25 | 46140228 |
26 | 92280457 |
27 | 184560921 |
28 | 369121849 |
29 | 738243700 |
30 | 1476487402 |
31 | 2952974809 |
32 | 5905949620 |
33 | 11811899241 |
[1,4,9,20,41,85,173,349,701,1405,2813,5629,11261, 22525,45053,90113,180232,360466,720937,1441877, 2883761,5767525,11535053,23070112,46140228, 92280457,184560921,369121849,738243700,1476487402, 2952974809,5905949620,11811899241] |