n | a(n) |
---|---|
1 | 3 |
2 | 9 |
3 | 27 |
4 | 79 |
5 | 225 |
6 | 626 |
7 | 1710 |
8 | 4605 |
9 | 12259 |
10 | 32320 |
11 | 84504 |
12 | 219356 |
13 | 565816 |
14 | 1451349 |
15 | 3704271 |
16 | 9412153 |
17 | 23818707 |
18 | 60055275 |
19 | 150913073 |
20 | 378064818 |
21 | 944442242 |
22 | 2353140149 |
23 | 5848794543 |
24 | 14504575980 |
25 | 35894673012 |
26 | 88654500384 |
27 | 218560230944 |
[3,9,27,79,225,626,1710,4605,12259,32320,84504, 219356,565816,1451349,3704271,9412153,23818707, 60055275,150913073,378064818,944442242,2353140149, 5848794543,14504575980,35894673012,88654500384, 218560230944] |