n | a(n) |
---|---|
0 | 2 |
1 | 1 |
2 | 5 |
3 | 7 |
4 | 21 |
5 | 41 |
6 | 107 |
7 | 239 |
8 | 593 |
9 | 1393 |
10 | 3395 |
11 | 8119 |
12 | 19665 |
13 | 47321 |
14 | 114371 |
15 | 275807 |
16 | 666113 |
17 | 1607521 |
18 | 3881411 |
19 | 9369319 |
20 | 22620561 |
21 | 54608393 |
22 | 131838371 |
23 | 318281039 |
24 | 768402497 |
25 | 1855077841 |
26 | 4478562275 |
27 | 10812186007 |
28 | 26102942481 |
29 | 63018038201 |
[2,1,5,7,21,41,107,239,593,1393,3395,8119,19665, 47321,114371,275807,666113,1607521,3881411, 9369319,22620561,54608393,131838371,318281039, 768402497,1855077841,4478562275,10812186007, 26102942481,63018038201] |