n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 13 |
4 | 29 |
5 | 68 |
6 | 156 |
7 | 357 |
8 | 821 |
9 | 1886 |
10 | 4330 |
11 | 9945 |
12 | 22841 |
13 | 52456 |
14 | 120472 |
15 | 276681 |
16 | 635433 |
17 | 1459354 |
18 | 3351598 |
19 | 7697381 |
20 | 17678037 |
21 | 40599916 |
22 | 93242996 |
23 | 214144685 |
24 | 491811165 |
25 | 1129508406 |
26 | 2594063186 |
27 | 5957604017 |
28 | 13682413681 |
29 | 31423445328 |
30 | 72168035504 |
31 | 165743294353 |
[1,2,6,13,29,68,156,357,821,1886,4330,9945,22841, 52456,120472,276681,635433,1459354,3351598, 7697381,17678037,40599916,93242996,214144685, 491811165,1129508406,2594063186,5957604017, 13682413681,31423445328,72168035504,165743294353] |