Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 14 |
3 | 50 |
4 | 410 |
5 | 2430 |
6 | 16198 |
7 | 103042 |
8 | 667690 |
9 | 4294910 |
10 | 27706854 |
11 | 178536322 |
12 | 1150960010 |
13 | 7418522110 |
14 | 47819461126 |
15 | 308233683970 |
16 | 1986827617770 |
17 | 12806735485950 |
18 | 82550064227622 |
19 | 532103488349058 |
20 | 3429848277235530 |
[0,14,50,410,2430,16198,103042,667690,4294910, 27706854,178536322,1150960010,7418522110, 47819461126,308233683970,1986827617770, 12806735485950,82550064227622,532103488349058, 3429848277235530] |