n | a(n) |
---|---|
1 | 4 |
2 | 14 |
3 | 40 |
4 | 131 |
5 | 383 |
6 | 1232 |
7 | 3966 |
8 | 12314 |
9 | 38745 |
10 | 122989 |
11 | 386667 |
12 | 1216157 |
13 | 3839910 |
14 | 12101854 |
15 | 38109643 |
16 | 120144068 |
17 | 378709117 |
18 | 1193259020 |
19 | 3760674157 |
20 | 11852918903 |
21 | 37353389828 |
22 | 117718989595 |
23 | 371005905259 |
24 | 1169236902187 |
25 | 3684870558556 |
[4,14,40,131,383,1232,3966,12314,38745,122989, 386667,1216157,3839910,12101854,38109643, 120144068,378709117,1193259020,3760674157, 11852918903,37353389828,117718989595,371005905259, 1169236902187,3684870558556] |