n | a(n) |
---|---|
1 | 0 |
2 | 5 |
3 | 14 |
4 | 69 |
5 | 376 |
6 | 1891 |
7 | 9889 |
8 | 51283 |
9 | 265582 |
10 | 1378735 |
11 | 7148318 |
12 | 37076755 |
13 | 192302847 |
14 | 997352273 |
15 | 5172817910 |
16 | 26828692621 |
17 | 139146758064 |
18 | 721683805709 |
19 | 3743005199161 |
20 | 19413064725327 |
21 | 100685681893488 |
22 | 522205367420747 |
[0,5,14,69,376,1891,9889,51283,265582,1378735, 7148318,37076755,192302847,997352273,5172817910, 26828692621,139146758064,721683805709, 3743005199161,19413064725327,100685681893488, 522205367420747] |