n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 19 |
6 | 57 |
7 | 165 |
8 | 535 |
9 | 1700 |
10 | 5761 |
11 | 19596 |
12 | 69357 |
13 | 247143 |
14 | 904969 |
15 | 3344222 |
16 | 12578803 |
17 | 47771691 |
18 | 183784047 |
19 | 713153652 |
20 | 2795057882 |
21 | 11038817438 |
22 | 43945343994 |
23 | 176118626035 |
24 | 710510882943 |
25 | 2883088313211 |
26 | 11764647473938 |
27 | 48250711908615 |
28 | 198849105981280 |
29 | 823144145532963 |
30 | 3421816206647552 |
[1,1,2,3,8,19,57,165,535,1700,5761,19596,69357, 247143,904969,3344222,12578803,47771691,183784047, 713153652,2795057882,11038817438,43945343994, 176118626035,710510882943,2883088313211, 11764647473938,48250711908615,198849105981280, 823144145532963,3421816206647552] |