n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 17 |
3 | 77 |
4 | 381 |
5 | 1851 |
6 | 8893 |
7 | 41741 |
8 | 191755 |
9 | 868151 |
10 | 3875933 |
11 | 17120309 |
12 | 74950547 |
13 | 325590115 |
14 | 1405167561 |
15 | 6029676711 |
16 | 25750781177 |
17 | 109495928099 |
18 | 463852117169 |
19 | 1958476902435 |
20 | 8244703036797 |
21 | 34615624751259 |
22 | 144991244981985 |
[2,5,17,77,381,1851,8893,41741,191755,868151, 3875933,17120309,74950547,325590115,1405167561, 6029676711,25750781177,109495928099,463852117169, 1958476902435,8244703036797,34615624751259, 144991244981985] |