n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 19 |
5 | 47 |
6 | 98 |
7 | 220 |
8 | 441 |
9 | 885 |
10 | 1771 |
11 | 3551 |
12 | 7106 |
13 | 14279 |
14 | 28559 |
15 | 57121 |
16 | 114243 |
17 | 228495 |
18 | 456994 |
19 | 914012 |
20 | 1828025 |
21 | 3656053 |
22 | 7312107 |
23 | 14624223 |
24 | 29248450 |
25 | 58497096 |
26 | 116994195 |
27 | 233988391 |
28 | 467976791 |
29 | 935953586 |
30 | 1871907196 |
[1,3,9,19,47,98,220,441,885,1771,3551,7106,14279, 28559,57121,114243,228495,456994,914012,1828025, 3656053,7312107,14624223,29248450,58497096, 116994195,233988391,467976791,935953586, 1871907196] |