n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 26 |
5 | 84 |
6 | 315 |
7 | 1155 |
8 | 4479 |
9 | 17879 |
10 | 72237 |
11 | 298920 |
12 | 1254329 |
13 | 5323120 |
14 | 22882116 |
15 | 99271167 |
16 | 434160320 |
17 | 1915240840 |
18 | 8499435683 |
19 | 37968001495 |
20 | 170538467281 |
21 | 769755420661 |
22 | 3491044143734 |
23 | 15897506282629 |
24 | 72677164291744 |
25 | 333440276296060 |
26 | 1534802275386455 |
27 | 7086364716511872 |
28 | 32811176928714466 |
[1,1,3,8,26,84,315,1155,4479,17879,72237,298920, 1254329,5323120,22882116,99271167,434160320, 1915240840,8499435683,37968001495,170538467281, 769755420661,3491044143734,15897506282629, 72677164291744,333440276296060,1534802275386455, 7086364716511872,32811176928714466] |