n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 16 |
5 | 37 |
6 | 82 |
7 | 187 |
8 | 428 |
9 | 985 |
10 | 2262 |
11 | 5191 |
12 | 11904 |
13 | 27301 |
14 | 62618 |
15 | 143635 |
16 | 329476 |
17 | 755761 |
18 | 1733566 |
19 | 3976447 |
20 | 9121160 |
21 | 20922109 |
22 | 47991138 |
23 | 110082091 |
24 | 252506316 |
25 | 579198985 |
26 | 1328566598 |
27 | 3047466007 |
28 | 6990277456 |
29 | 16034298325 |
30 | 36779473258 |
31 | 84364755139 |
[1,2,7,16,37,82,187,428,985,2262,5191,11904,27301, 62618,143635,329476,755761,1733566,3976447, 9121160,20922109,47991138,110082091,252506316, 579198985,1328566598,3047466007,6990277456, 16034298325,36779473258,84364755139] |