n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 10 |
5 | 22 |
6 | 76 |
7 | 217 |
8 | 750 |
9 | 2438 |
10 | 8524 |
11 | 29414 |
12 | 104468 |
13 | 371516 |
14 | 1338936 |
15 | 4847637 |
16 | 17685270 |
17 | 64823110 |
18 | 238843660 |
19 | 883634026 |
20 | 3282152588 |
21 | 12233141908 |
22 | 45741634536 |
23 | 171529836218 |
24 | 644953425740 |
25 | 2430973304732 |
26 | 9183681736376 |
[1,1,2,3,10,22,76,217,750,2438,8524,29414,104468, 371516,1338936,4847637,17685270,64823110, 238843660,883634026,3282152588,12233141908, 45741634536,171529836218,644953425740, 2430973304732,9183681736376] |