n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 31 |
3 | 157 |
4 | 781 |
5 | 3907 |
6 | 19531 |
7 | 97657 |
8 | 488281 |
9 | 2441407 |
10 | 12207031 |
11 | 61035157 |
12 | 305175781 |
13 | 1525878907 |
14 | 7629394531 |
15 | 38146972657 |
16 | 190734863281 |
17 | 953674316407 |
18 | 4768371582031 |
19 | 23841857910157 |
20 | 119209289550781 |
21 | 596046447753907 |
[1,7,31,157,781,3907,19531,97657,488281,2441407, 12207031,61035157,305175781,1525878907,7629394531, 38146972657,190734863281,953674316407, 4768371582031,23841857910157,119209289550781, 596046447753907] |