n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 17 |
3 | 101 |
4 | 627 |
5 | 3999 |
6 | 25955 |
7 | 170571 |
8 | 1131433 |
9 | 7559301 |
10 | 50795985 |
11 | 342935689 |
12 | 2324278669 |
13 | 15804931797 |
14 | 107775401349 |
15 | 736723618773 |
16 | 5046774983235 |
17 | 34636814325087 |
18 | 238114193665451 |
19 | 1639378334244867 |
20 | 11301978856210543 |
21 | 78010917772099207 |
22 | 539055832175992119 |
[1,3,17,101,627,3999,25955,170571,1131433,7559301, 50795985,342935689,2324278669,15804931797, 107775401349,736723618773,5046774983235, 34636814325087,238114193665451,1639378334244867, 11301978856210543,78010917772099207, 539055832175992119] |