n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 15 |
4 | 53 |
5 | 217 |
6 | 973 |
7 | 4735 |
8 | 24686 |
9 | 137026 |
10 | 805273 |
11 | 4986541 |
12 | 32409056 |
13 | 220327688 |
14 | 1562196894 |
15 | 11522725486 |
16 | 88215618320 |
17 | 699573288808 |
18 | 5736354452771 |
19 | 48556636776122 |
20 | 423674461139747 |
21 | 3805446588538974 |
22 | 35142868684678717 |
23 | 333303148345306269 |
24 | 3243121812554272131 |
[1,2,5,15,53,217,973,4735,24686,137026,805273, 4986541,32409056,220327688,1562196894,11522725486, 88215618320,699573288808,5736354452771, 48556636776122,423674461139747,3805446588538974, 35142868684678717,333303148345306269, 3243121812554272131] |