n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 5 |
4 | 20 |
5 | 74 |
6 | 90 |
7 | 185 |
8 | 377 |
9 | 986 |
10 | 1493 |
11 | 5165 |
12 | 16109 |
13 | 16868 |
14 | 31657 |
15 | 52393 |
16 | 101349 |
17 | 105572 |
18 | 241882 |
19 | 284002 |
20 | 685541 |
21 | 1437353 |
22 | 1751296 |
23 | 1853866 |
24 | 5588305 |
25 | 9565544 |
26 | 13305524 |
27 | 20875482 |
28 | 67070173 |
29 | 135628357 |
30 | 192085714 |
31 | 264428585 |
32 | 345869506 |
33 | 426063725 |
34 | 434120338 |
35 | 672657850 |
[0,2,5,20,74,90,185,377,986,1493,5165,16109,16868, 31657,52393,101349,105572,241882,284002,685541, 1437353,1751296,1853866,5588305,9565544,13305524, 20875482,67070173,135628357,192085714,264428585, 345869506,426063725,434120338,672657850] |