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 | 6 |
4 | 36 |
5 | 160 |
6 | 1620 |
7 | 18648 |
8 | 220080 |
9 | 2924640 |
10 | 44775360 |
11 | 753207840 |
12 | 13836731040 |
13 | 276442882560 |
14 | 5972081379264 |
15 | 138607594171200 |
16 | 3440465206214400 |
17 | 90951997553464320 |
18 | 2551374460670538240 |
19 | 75694365919478960640 |
20 | 2368107785432883916800 |
[1,0,0,6,36,160,1620,18648,220080,2924640, 44775360,753207840,13836731040,276442882560, 5972081379264,138607594171200,3440465206214400, 90951997553464320,2551374460670538240, 75694365919478960640,2368107785432883916800] |