n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 11 |
3 | 26 |
4 | 57 |
5 | 129 |
6 | 289 |
7 | 650 |
8 | 1460 |
9 | 3281 |
10 | 7372 |
11 | 16565 |
12 | 37221 |
13 | 83635 |
14 | 187926 |
15 | 422266 |
16 | 948823 |
17 | 2131986 |
18 | 4790529 |
19 | 10764221 |
20 | 24186985 |
21 | 54347662 |
22 | 122118088 |
23 | 274396853 |
24 | 616564132 |
25 | 1385407029 |
26 | 3112981337 |
27 | 6994805571 |
28 | 15717185450 |
[2,6,11,26,57,129,289,650,1460,3281,7372,16565, 37221,83635,187926,422266,948823,2131986,4790529, 10764221,24186985,54347662,122118088,274396853, 616564132,1385407029,3112981337,6994805571, 15717185450] |