n | a(n) |
---|---|
1 | 3 |
2 | 9 |
3 | 26 |
4 | 77 |
5 | 226 |
6 | 665 |
7 | 1960 |
8 | 5769 |
9 | 16983 |
10 | 49998 |
11 | 147198 |
12 | 433361 |
13 | 1275825 |
14 | 3756068 |
15 | 11058011 |
16 | 32555211 |
17 | 95843749 |
18 | 282167522 |
19 | 830711657 |
20 | 2445646047 |
21 | 7200072866 |
22 | 21197281911 |
23 | 62405585330 |
24 | 183724361820 |
25 | 540891347189 |
26 | 1592404221036 |
[3,9,26,77,226,665,1960,5769,16983,49998,147198, 433361,1275825,3756068,11058011,32555211,95843749, 282167522,830711657,2445646047,7200072866, 21197281911,62405585330,183724361820,540891347189, 1592404221036] |