n | a(n) |
---|---|
1 | 10 |
2 | 60 |
3 | 618 |
4 | 4544 |
5 | 28365 |
6 | 158473 |
7 | 811802 |
8 | 3839485 |
9 | 16870880 |
10 | 69358382 |
11 | 268604388 |
12 | 985807950 |
13 | 3446787865 |
14 | 11533987238 |
15 | 37089093539 |
16 | 115015828102 |
17 | 345034056109 |
18 | 1004006049426 |
19 | 2840598026377 |
20 | 7830418088592 |
21 | 21069626662016 |
22 | 55427938794648 |
[10,60,618,4544,28365,158473,811802,3839485, 16870880,69358382,268604388,985807950,3446787865, 11533987238,37089093539,115015828102,345034056109, 1004006049426,2840598026377,7830418088592, 21069626662016,55427938794648] |