n | a(n) |
---|---|
0 | 10 |
1 | 65 |
2 | 395 |
3 | 2375 |
4 | 14255 |
5 | 85535 |
6 | 513215 |
7 | 3079295 |
8 | 18475775 |
9 | 110854655 |
10 | 665127935 |
11 | 3990767615 |
12 | 23944605695 |
13 | 143667634175 |
14 | 862005805055 |
15 | 5172034830335 |
16 | 31032208982015 |
17 | 186193253892095 |
18 | 1117159523352575 |
19 | 6702957140115455 |
20 | 40217742840692735 |
[10,65,395,2375,14255,85535,513215,3079295, 18475775,110854655,665127935,3990767615, 23944605695,143667634175,862005805055, 5172034830335,31032208982015,186193253892095, 1117159523352575,6702957140115455, 40217742840692735] |