n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 11 |
4 | 32 |
5 | 97 |
6 | 355 |
7 | 1423 |
8 | 5696 |
9 | 23141 |
10 | 108149 |
11 | 559693 |
12 | 2913971 |
13 | 14806365 |
14 | 75692999 |
15 | 432849976 |
16 | 2780749376 |
17 | 18237870285 |
18 | 115493756737 |
19 | 708062095921 |
20 | 4354275076517 |
21 | 29539724932771 |
22 | 227955214198529 |
23 | 1836106089485736 |
24 | 14279737884301139 |
25 | 105409744347318897 |
[1,2,4,11,32,97,355,1423,5696,23141,108149,559693, 2913971,14806365,75692999,432849976,2780749376, 18237870285,115493756737,708062095921, 4354275076517,29539724932771,227955214198529, 1836106089485736,14279737884301139, 105409744347318897] |