n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 7 |
4 | 12 |
5 | 26 |
6 | 51 |
7 | 97 |
8 | 193 |
9 | 380 |
10 | 741 |
11 | 1456 |
12 | 2860 |
13 | 5605 |
14 | 10997 |
15 | 21581 |
16 | 42332 |
17 | 83047 |
18 | 162936 |
19 | 319650 |
20 | 627099 |
21 | 1230289 |
22 | 2413641 |
23 | 4735192 |
24 | 9289761 |
25 | 18225136 |
26 | 35754992 |
27 | 70146009 |
28 | 137616081 |
29 | 269982313 |
30 | 529665276 |
31 | 1039124759 |
32 | 2038608652 |
33 | 3999447882 |
[1,4,7,12,26,51,97,193,380,741,1456,2860,5605, 10997,21581,42332,83047,162936,319650,627099, 1230289,2413641,4735192,9289761,18225136,35754992, 70146009,137616081,269982313,529665276,1039124759, 2038608652,3999447882] |