n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 65 |
3 | 528 |
4 | 4289 |
5 | 34840 |
6 | 283009 |
7 | 2298912 |
8 | 18674305 |
9 | 151693352 |
10 | 1232221121 |
11 | 10009462320 |
12 | 81307919681 |
13 | 660472819768 |
14 | 5365090477825 |
15 | 43581196642368 |
16 | 354014663616769 |
17 | 2875698505576520 |
18 | 23359602708228929 |
19 | 189752520171407952 |
20 | 1541379764079492545 |
[1,8,65,528,4289,34840,283009,2298912,18674305, 151693352,1232221121,10009462320,81307919681, 660472819768,5365090477825,43581196642368, 354014663616769,2875698505576520, 23359602708228929,189752520171407952, 1541379764079492545] |