n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 13 |
4 | 57 |
5 | 201 |
6 | 861 |
7 | 3445 |
8 | 14897 |
9 | 63313 |
10 | 278389 |
11 | 1223069 |
12 | 5465065 |
13 | 24513945 |
14 | 111037005 |
15 | 505298565 |
16 | 2314343265 |
17 | 10645982625 |
18 | 49202944485 |
19 | 228253816365 |
20 | 1062783893145 |
21 | 4964167491945 |
22 | 23256852644925 |
23 | 109249893866133 |
24 | 514494575459217 |
25 | 2428488338526961 |
[1,1,5,13,57,201,861,3445,14897,63313,278389, 1223069,5465065,24513945,111037005,505298565, 2314343265,10645982625,49202944485,228253816365, 1062783893145,4964167491945,23256852644925, 109249893866133,514494575459217,2428488338526961] |