n | a(n) |
---|---|
1 | 11 |
2 | 41 |
3 | 143 |
4 | 497 |
5 | 1751 |
6 | 6281 |
7 | 22943 |
8 | 85217 |
9 | 321191 |
10 | 1225721 |
11 | 4725743 |
12 | 18371537 |
13 | 71891831 |
14 | 282784361 |
15 | 1116788543 |
16 | 4424107457 |
17 | 17567289671 |
18 | 69881738201 |
19 | 278364691343 |
20 | 1109971980977 |
21 | 4429427570711 |
22 | 17686329223241 |
23 | 70651173714143 |
24 | 282322265320097 |
25 | 1128441772670951 |
[11,41,143,497,1751,6281,22943,85217,321191, 1225721,4725743,18371537,71891831,282784361, 1116788543,4424107457,17567289671,69881738201, 278364691343,1109971980977,4429427570711, 17686329223241,70651173714143,282322265320097, 1128441772670951] |