n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 5 |
4 | 10 |
5 | 24 |
6 | 66 |
7 | 198 |
8 | 627 |
9 | 2057 |
10 | 6919 |
11 | 23715 |
12 | 82501 |
13 | 290513 |
14 | 1033413 |
15 | 3707853 |
16 | 13402698 |
17 | 48760368 |
18 | 178405158 |
19 | 656043858 |
20 | 2423307048 |
21 | 8987427468 |
22 | 33453694488 |
23 | 124936258128 |
24 | 467995871778 |
25 | 1757900019102 |
26 | 6619846420554 |
[1,2,3,5,10,24,66,198,627,2057,6919,23715,82501, 290513,1033413,3707853,13402698,48760368, 178405158,656043858,2423307048,8987427468, 33453694488,124936258128,467995871778, 1757900019102,6619846420554] |