n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 31 |
3 | 160 |
4 | 826 |
5 | 4264 |
6 | 22012 |
7 | 113632 |
8 | 586599 |
9 | 3028182 |
10 | 15632291 |
11 | 80698096 |
12 | 416585304 |
13 | 2150525528 |
14 | 11101591924 |
15 | 57309407232 |
16 | 295846593873 |
17 | 1527239790702 |
18 | 7884023093755 |
19 | 40699450421136 |
20 | 210101523661770 |
21 | 1084600646648368 |
22 | 5599000626972168 |
23 | 28903549078371648 |
[1,6,31,160,826,4264,22012,113632,586599,3028182, 15632291,80698096,416585304,2150525528, 11101591924,57309407232,295846593873, 1527239790702,7884023093755,40699450421136, 210101523661770,1084600646648368,5599000626972168, 28903549078371648] |