n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 8 |
4 | 21 |
5 | 44 |
6 | 103 |
7 | 217 |
8 | 477 |
9 | 999 |
10 | 2116 |
11 | 4373 |
12 | 9055 |
13 | 18464 |
14 | 37576 |
15 | 75725 |
16 | 152047 |
17 | 303158 |
18 | 602085 |
19 | 1189242 |
20 | 2340065 |
21 | 4584027 |
22 | 8947865 |
23 | 17399906 |
24 | 33725509 |
25 | 65153150 |
26 | 125493914 |
27 | 241011287 |
28 | 461611911 |
29 | 881806114 |
30 | 1680336592 |
31 | 3194346093 |
32 | 6058770147 |
33 | 11466709780 |
[1,1,4,8,21,44,103,217,477,999,2116,4373,9055, 18464,37576,75725,152047,303158,602085,1189242, 2340065,4584027,8947865,17399906,33725509, 65153150,125493914,241011287,461611911,881806114, 1680336592,3194346093,6058770147,11466709780] |