Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 27 |
4 | 79 |
5 | 225 |
6 | 627 |
7 | 1717 |
8 | 4633 |
9 | 12341 |
10 | 32501 |
11 | 84737 |
12 | 218959 |
13 | 561263 |
14 | 1428287 |
15 | 3610671 |
16 | 9072367 |
17 | 22668285 |
18 | 56345835 |
19 | 139382713 |
20 | 343242533 |
21 | 841713531 |
22 | 2055944117 |
23 | 5003148987 |
24 | 12132552115 |
25 | 29323810757 |
26 | 70651867863 |
27 | 169719163521 |
28 | 406541986857 |
29 | 971192810019 |
[1,3,9,27,79,225,627,1717,4633,12341,32501,84737, 218959,561263,1428287,3610671,9072367,22668285, 56345835,139382713,343242533,841713531,2055944117, 5003148987,12132552115,29323810757,70651867863, 169719163521,406541986857,971192810019] |