n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 35 |
3 | 235 |
4 | 1580 |
5 | 10626 |
6 | 71460 |
7 | 480570 |
8 | 3231845 |
9 | 21734235 |
10 | 146163251 |
11 | 982951365 |
12 | 6610371480 |
13 | 44454906580 |
14 | 298960311840 |
15 | 2010515259876 |
16 | 13520763292345 |
17 | 90927457083265 |
18 | 611489327404315 |
19 | 4112280377388895 |
20 | 27655184063541876 |
21 | 185981775414350150 |
22 | 1250731895575163300 |
[1,5,35,235,1580,10626,71460,480570,3231845, 21734235,146163251,982951365,6610371480, 44454906580,298960311840,2010515259876, 13520763292345,90927457083265,611489327404315, 4112280377388895,27655184063541876, 185981775414350150,1250731895575163300] |