n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 15 |
5 | 32 |
6 | 79 |
7 | 185 |
8 | 422 |
9 | 987 |
10 | 2307 |
11 | 5352 |
12 | 12451 |
13 | 29005 |
14 | 67478 |
15 | 156991 |
16 | 365391 |
17 | 850304 |
18 | 1978615 |
19 | 4604465 |
20 | 10715078 |
21 | 24934611 |
22 | 58024779 |
23 | 135028632 |
24 | 314222011 |
25 | 731218981 |
26 | 1701605078 |
27 | 3959769367 |
28 | 9214694391 |
29 | 21443322032 |
30 | 49900304047 |
31 | 116121942377 |
[1,1,2,7,15,32,79,185,422,987,2307,5352,12451, 29005,67478,156991,365391,850304,1978615,4604465, 10715078,24934611,58024779,135028632,314222011, 731218981,1701605078,3959769367,9214694391, 21443322032,49900304047,116121942377] |