n | a(n) |
---|---|
1 | 2 |
2 | 7 |
3 | 19 |
4 | 53 |
5 | 139 |
6 | 401 |
7 | 1093 |
8 | 2971 |
9 | 8101 |
10 | 22013 |
11 | 59863 |
12 | 162751 |
13 | 442399 |
14 | 1202603 |
15 | 3269011 |
16 | 8886109 |
17 | 24154939 |
18 | 65659969 |
19 | 178482289 |
20 | 485165141 |
21 | 1318815713 |
22 | 3584912833 |
23 | 9744803443 |
24 | 26489122081 |
25 | 72004899319 |
26 | 195729609407 |
27 | 532048240573 |
28 | 1446257064289 |
29 | 3931334297131 |
[2,7,19,53,139,401,1093,2971,8101,22013,59863, 162751,442399,1202603,3269011,8886109,24154939, 65659969,178482289,485165141,1318815713, 3584912833,9744803443,26489122081,72004899319, 195729609407,532048240573,1446257064289, 3931334297131] |