n | a(n) |
---|---|
1 | 1 |
2 | 40 |
3 | 290 |
4 | 4066 |
5 | 48588 |
6 | 640673 |
7 | 8265835 |
8 | 108469760 |
9 | 1419225976 |
10 | 18612718736 |
11 | 243965442778 |
12 | 3199006474569 |
13 | 41943406467118 |
14 | 549970038257539 |
15 | 7211211285768759 |
16 | 94554378260472599 |
17 | 1239807002239604003 |
[1,40,290,4066,48588,640673,8265835,108469760, 1419225976,18612718736,243965442778,3199006474569, 41943406467118,549970038257539,7211211285768759, 94554378260472599,1239807002239604003] |