n | a(n) |
---|---|
1 | 1 |
2 | 15 |
3 | 43 |
4 | 267 |
5 | 1065 |
6 | 5377 |
7 | 23801 |
8 | 113191 |
9 | 517371 |
10 | 2416835 |
11 | 11155313 |
12 | 51830017 |
13 | 239940625 |
14 | 1112996767 |
15 | 5157111051 |
16 | 23910123931 |
17 | 110818577241 |
18 | 513715752705 |
19 | 2381164556233 |
20 | 11037736722167 |
21 | 51163163871835 |
22 | 237160332965907 |
[1,15,43,267,1065,5377,23801,113191,517371, 2416835,11155313,51830017,239940625,1112996767, 5157111051,23910123931,110818577241,513715752705, 2381164556233,11037736722167,51163163871835, 237160332965907] |