Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 3 |
6 | 19 |
7 | 120 |
8 | 861 |
9 | 7000 |
10 | 63875 |
11 | 646742 |
12 | 7195012 |
13 | 87239530 |
14 | 1145018831 |
15 | 16173391001 |
16 | 244622538902 |
17 | 3944538439805 |
18 | 67550220781671 |
19 | 1224347751667801 |
20 | 23415650750646695 |
21 | 471239971356764753 |
[1,0,0,0,0,3,19,120,861,7000,63875,646742,7195012, 87239530,1145018831,16173391001,244622538902, 3944538439805,67550220781671,1224347751667801, 23415650750646695,471239971356764753] |