n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 57 |
3 | 386 |
4 | 2549 |
5 | 16612 |
6 | 107493 |
7 | 692854 |
8 | 4456201 |
9 | 28626368 |
10 | 183771057 |
11 | 1179304106 |
12 | 7566306749 |
13 | 48539073052 |
14 | 311365675293 |
15 | 1997258072734 |
16 | 12811170195601 |
17 | 82174766283128 |
18 | 527090748332457 |
19 | 3380887858812626 |
[1,8,57,386,2549,16612,107493,692854,4456201, 28626368,183771057,1179304106,7566306749, 48539073052,311365675293,1997258072734, 12811170195601,82174766283128,527090748332457, 3380887858812626] |