n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 51 |
6 | 169 |
7 | 580 |
8 | 2097 |
9 | 7714 |
10 | 28843 |
11 | 110016 |
12 | 426442 |
13 | 1670664 |
14 | 6607389 |
15 | 26445339 |
16 | 106744587 |
17 | 433688136 |
18 | 1773688338 |
19 | 7306501045 |
20 | 30264788185 |
21 | 125931363266 |
22 | 526553987611 |
23 | 2212172286388 |
24 | 9330058593341 |
25 | 39485849417577 |
26 | 167720037975233 |
27 | 714836827043956 |
28 | 3055565449129670 |
[1,1,2,5,16,51,169,580,2097,7714,28843,110016, 426442,1670664,6607389,26445339,106744587, 433688136,1773688338,7306501045,30264788185, 125931363266,526553987611,2212172286388, 9330058593341,39485849417577,167720037975233, 714836827043956,3055565449129670] |