n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 42 |
5 | 169 |
6 | 721 |
7 | 3105 |
8 | 13838 |
9 | 62047 |
10 | 283633 |
11 | 1303734 |
12 | 6061730 |
13 | 28318686 |
14 | 133282890 |
15 | 629750099 |
16 | 2990908792 |
17 | 14249878475 |
18 | 68148765938 |
19 | 326757727504 |
20 | 1571225170941 |
21 | 7571392176951 |
22 | 36566846891408 |
23 | 176917128336520 |
24 | 857500703098429 |
25 | 4162433708763959 |
26 | 20234912112599861 |
27 | 98493026288524495 |
[1,1,3,11,42,169,721,3105,13838,62047,283633, 1303734,6061730,28318686,133282890,629750099, 2990908792,14249878475,68148765938,326757727504, 1571225170941,7571392176951,36566846891408, 176917128336520,857500703098429,4162433708763959, 20234912112599861,98493026288524495] |