n | a(n) |
---|---|
0 | 4 |
1 | 19 |
2 | 91 |
3 | 439 |
4 | 2119 |
5 | 10231 |
6 | 49399 |
7 | 238519 |
8 | 1151671 |
9 | 5560759 |
10 | 26849719 |
11 | 129641911 |
12 | 625966519 |
13 | 3022433719 |
14 | 14593600951 |
15 | 70464138679 |
16 | 340230958519 |
17 | 1642780388791 |
18 | 7932045389239 |
19 | 38299303112119 |
20 | 184925394005431 |
21 | 892898788470199 |
22 | 4311296729902519 |
[4,19,91,439,2119,10231,49399,238519,1151671, 5560759,26849719,129641911,625966519,3022433719, 14593600951,70464138679,340230958519, 1642780388791,7932045389239,38299303112119, 184925394005431,892898788470199,4311296729902519] |