n | a(n) |
---|---|
0 | 2 |
1 | 7 |
2 | 51 |
3 | 364 |
4 | 2599 |
5 | 18557 |
6 | 132498 |
7 | 946043 |
8 | 6754799 |
9 | 48229636 |
10 | 344362251 |
11 | 2458765393 |
12 | 17555720002 |
13 | 125348805407 |
14 | 894997357851 |
15 | 6390330310364 |
16 | 45627309530399 |
17 | 325781497023157 |
18 | 2326097788692498 |
19 | 16608466017870643 |
20 | 118585359913786999 |
21 | 846705985414379636 |
[2,7,51,364,2599,18557,132498,946043,6754799, 48229636,344362251,2458765393,17555720002, 125348805407,894997357851,6390330310364, 45627309530399,325781497023157,2326097788692498, 16608466017870643,118585359913786999, 846705985414379636] |