n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 49 |
4 | 146 |
5 | 373 |
6 | 872 |
7 | 1929 |
8 | 4118 |
9 | 8589 |
10 | 17644 |
11 | 35889 |
12 | 72538 |
13 | 146021 |
14 | 293200 |
15 | 587801 |
16 | 1177278 |
17 | 2356541 |
18 | 4715412 |
19 | 9433537 |
20 | 18870210 |
21 | 37744021 |
22 | 75492152 |
23 | 150988969 |
24 | 301983206 |
25 | 603972333 |
26 | 1207951292 |
27 | 2415909969 |
28 | 4831828138 |
29 | 9663665349 |
30 | 19327340704 |
[1,12,49,146,373,872,1929,4118,8589,17644,35889, 72538,146021,293200,587801,1177278,2356541, 4715412,9433537,18870210,37744021,75492152, 150988969,301983206,603972333,1207951292, 2415909969,4831828138,9663665349,19327340704] |