n | a(n) |
---|---|
1 | 3 |
2 | 14 |
3 | 57 |
4 | 228 |
5 | 911 |
6 | 3642 |
7 | 14565 |
8 | 58256 |
9 | 233019 |
10 | 932070 |
11 | 3728273 |
12 | 14913084 |
13 | 59652327 |
14 | 238609298 |
15 | 954437181 |
16 | 3817748712 |
17 | 15270994835 |
18 | 61083979326 |
19 | 244335917289 |
20 | 977343669140 |
21 | 3909374676543 |
22 | 15637498706154 |
23 | 62549994824597 |
24 | 250199979298368 |
25 | 1000799917193451 |
[3,14,57,228,911,3642,14565,58256,233019,932070, 3728273,14913084,59652327,238609298,954437181, 3817748712,15270994835,61083979326,244335917289, 977343669140,3909374676543,15637498706154, 62549994824597,250199979298368,1000799917193451] |