n | a(n) |
---|---|
1 | 13 |
2 | 6 |
3 | 17 |
4 | 68 |
5 | 208 |
6 | 1162 |
7 | 4067 |
8 | 20265 |
9 | 88836 |
10 | 420674 |
11 | 1978897 |
12 | 9427072 |
13 | 44593246 |
14 | 212266634 |
15 | 1007469588 |
16 | 4787708514 |
17 | 22741208745 |
18 | 108037995177 |
19 | 513201504833 |
20 | 2438021530346 |
21 | 11581528859315 |
22 | 55017874016905 |
23 | 261360114793701 |
[13,6,17,68,208,1162,4067,20265,88836,420674, 1978897,9427072,44593246,212266634,1007469588, 4787708514,22741208745,108037995177,513201504833, 2438021530346,11581528859315,55017874016905, 261360114793701] |