n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 34 |
5 | 129 |
6 | 502 |
7 | 2032 |
8 | 8462 |
9 | 35852 |
10 | 154565 |
11 | 675899 |
12 | 2987199 |
13 | 13340857 |
14 | 60068598 |
15 | 272467777 |
16 | 1243944728 |
17 | 5710995281 |
18 | 26354122717 |
19 | 122157252775 |
20 | 568553772397 |
21 | 2655883548577 |
22 | 12447898038513 |
23 | 58520081537723 |
24 | 275877728447581 |
25 | 1303890813173164 |
26 | 6177081403785151 |
27 | 29327215806292682 |
[1,1,3,10,34,129,502,2032,8462,35852,154565, 675899,2987199,13340857,60068598,272467777, 1243944728,5710995281,26354122717,122157252775, 568553772397,2655883548577,12447898038513, 58520081537723,275877728447581,1303890813173164, 6177081403785151,29327215806292682] |