Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 54 |
5 | 780 |
6 | 7830 |
7 | 67620 |
8 | 535374 |
9 | 3992940 |
10 | 28483110 |
11 | 196316340 |
12 | 1317106494 |
13 | 8650141500 |
14 | 55853351190 |
15 | 355770438660 |
16 | 2241509994414 |
17 | 13998294536460 |
18 | 86795899256070 |
19 | 535048203626580 |
20 | 3282628800655134 |
21 | 20061393719417820 |
22 | 122212221633141750 |
[0,0,0,0,54,780,7830,67620,535374,3992940, 28483110,196316340,1317106494,8650141500, 55853351190,355770438660,2241509994414, 13998294536460,86795899256070,535048203626580, 3282628800655134,20061393719417820, 122212221633141750] |