n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 37 |
4 | 111 |
5 | 283 |
6 | 657 |
7 | 1441 |
8 | 3051 |
9 | 6319 |
10 | 12909 |
11 | 26149 |
12 | 52695 |
13 | 105859 |
14 | 212265 |
15 | 425161 |
16 | 851043 |
17 | 1702903 |
18 | 3406725 |
19 | 6814477 |
20 | 13630095 |
21 | 27261451 |
22 | 54524289 |
23 | 109050097 |
24 | 218101851 |
25 | 436205503 |
26 | 872412957 |
27 | 1744828021 |
28 | 3489658311 |
29 | 6979319059 |
30 | 13958640729 |
[1,9,37,111,283,657,1441,3051,6319,12909,26149, 52695,105859,212265,425161,851043,1702903,3406725, 6814477,13630095,27261451,54524289,109050097, 218101851,436205503,872412957,1744828021, 3489658311,6979319059,13958640729] |