n | a(n) |
---|---|
1 | 7 |
2 | 8 |
3 | 15 |
4 | 20 |
5 | 31 |
6 | 52 |
7 | 95 |
8 | 180 |
9 | 351 |
10 | 692 |
11 | 1375 |
12 | 2740 |
13 | 5471 |
14 | 10932 |
15 | 21855 |
16 | 43700 |
17 | 87391 |
18 | 174772 |
19 | 349535 |
20 | 699060 |
21 | 1398111 |
22 | 2796212 |
23 | 5592415 |
24 | 11184820 |
25 | 22369631 |
26 | 44739252 |
27 | 89478495 |
28 | 178956980 |
29 | 357913951 |
30 | 715827892 |
31 | 1431655775 |
32 | 2863311540 |
33 | 5726623071 |
[7,8,15,20,31,52,95,180,351,692,1375,2740,5471, 10932,21855,43700,87391,174772,349535,699060, 1398111,2796212,5592415,11184820,22369631, 44739252,89478495,178956980,357913951,715827892, 1431655775,2863311540,5726623071] |