n | a(n) |
---|---|
1 | 0 |
2 | 26 |
3 | 168 |
4 | 736 |
5 | 2948 |
6 | 11434 |
7 | 42494 |
8 | 154886 |
9 | 554894 |
10 | 1962216 |
11 | 6863344 |
12 | 23793932 |
13 | 81876322 |
14 | 279975202 |
15 | 952219158 |
16 | 3223476464 |
17 | 10867630142 |
18 | 36506995228 |
19 | 122242241376 |
20 | 408146874402 |
21 | 1359207500258 |
22 | 4515810568242 |
23 | 14971262615738 |
[0,26,168,736,2948,11434,42494,154886,554894, 1962216,6863344,23793932,81876322,279975202, 952219158,3223476464,10867630142,36506995228, 122242241376,408146874402,1359207500258, 4515810568242,14971262615738] |