Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 56 |
4 | 294 |
5 | 1698 |
6 | 10624 |
7 | 71256 |
8 | 508188 |
9 | 3829652 |
10 | 30340464 |
11 | 251647872 |
12 | 2177440648 |
13 | 19596586584 |
14 | 182967013056 |
15 | 1768251873632 |
16 | 17653554391056 |
17 | 181748836240944 |
18 | 1926542292294592 |
19 | 20996051677557888 |
20 | 234959167687868256 |
21 | 2696726674789023008 |
[1,3,12,56,294,1698,10624,71256,508188,3829652, 30340464,251647872,2177440648,19596586584, 182967013056,1768251873632,17653554391056, 181748836240944,1926542292294592, 20996051677557888,234959167687868256, 2696726674789023008] |