Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 10 |
3 | 45 |
4 | 190 |
5 | 930 |
6 | 4660 |
7 | 24445 |
8 | 131190 |
9 | 719830 |
10 | 4013260 |
11 | 22684370 |
12 | 129661740 |
13 | 748252580 |
14 | 4353379560 |
15 | 25508284445 |
16 | 150392391590 |
17 | 891549228430 |
18 | 5310994644060 |
19 | 31775749689670 |
20 | 190860711108740 |
21 | 1150473009844380 |
[1,5,10,45,190,930,4660,24445,131190,719830, 4013260,22684370,129661740,748252580,4353379560, 25508284445,150392391590,891549228430, 5310994644060,31775749689670,190860711108740, 1150473009844380] |