n | a(n) |
---|---|
1 | 5 |
2 | 16 |
3 | 68 |
4 | 315 |
5 | 1653 |
6 | 9126 |
7 | 50166 |
8 | 266060 |
9 | 1445197 |
10 | 8388620 |
11 | 49943639 |
12 | 291356973 |
13 | 1672450652 |
14 | 9817427902 |
15 | 60070829938 |
16 | 373040809711 |
17 | 2261787393319 |
[5,16,68,315,1653,9126,50166,266060,1445197, 8388620,49943639,291356973,1672450652,9817427902, 60070829938,373040809711,2261787393319] |