n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 190 |
4 | 1672 |
5 | 12671 |
6 | 86275 |
7 | 542235 |
8 | 3200979 |
9 | 17970009 |
10 | 96806505 |
11 | 503889439 |
12 | 2547775803 |
13 | 12567000344 |
14 | 60679921204 |
15 | 287630757639 |
16 | 1341627687593 |
17 | 6170270168142 |
18 | 28028072584878 |
19 | 125932459466866 |
20 | 560392344329658 |
[1,17,190,1672,12671,86275,542235,3200979, 17970009,96806505,503889439,2547775803, 12567000344,60679921204,287630757639, 1341627687593,6170270168142,28028072584878, 125932459466866,560392344329658] |