n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 12 |
4 | 36 |
5 | 107 |
6 | 321 |
7 | 957 |
8 | 2868 |
9 | 8581 |
10 | 25694 |
11 | 76914 |
12 | 230273 |
13 | 689377 |
14 | 2063867 |
15 | 6178778 |
16 | 18498023 |
17 | 55379290 |
18 | 165794354 |
19 | 496354537 |
20 | 1485984549 |
21 | 4448735449 |
22 | 13318609060 |
23 | 39873206463 |
24 | 119372269782 |
25 | 357376295102 |
26 | 1069911935955 |
[2,5,12,36,107,321,957,2868,8581,25694,76914, 230273,689377,2063867,6178778,18498023,55379290, 165794354,496354537,1485984549,4448735449, 13318609060,39873206463,119372269782,357376295102, 1069911935955] |