n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 19 |
4 | 71 |
5 | 173 |
6 | 583 |
7 | 1443 |
8 | 4255 |
9 | 10648 |
10 | 28929 |
11 | 71159 |
12 | 184740 |
13 | 445626 |
14 | 1110122 |
15 | 2638328 |
16 | 6369490 |
17 | 14870194 |
18 | 35031627 |
19 | 80465028 |
20 | 185556696 |
21 | 419916149 |
22 | 950785580 |
23 | 2121471778 |
24 | 4727971847 |
25 | 10412230698 |
26 | 22876886529 |
27 | 49776871862 |
28 | 107974178843 |
29 | 232302695301 |
[1,1,7,19,71,173,583,1443,4255,10648,28929,71159, 184740,445626,1110122,2638328,6369490,14870194, 35031627,80465028,185556696,419916149,950785580, 2121471778,4727971847,10412230698,22876886529, 49776871862,107974178843,232302695301] |