Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 18 |
5 | 48 |
6 | 360 |
7 | 450 |
8 | 6174 |
9 | 27000 |
10 | 34200 |
11 | 93250 |
12 | 1776566 |
13 | 11293824 |
14 | 172014648 |
15 | 1296688778 |
16 | 20393895570 |
17 | 173895132784 |
18 | 3328106382492 |
19 | 11622794050422 |
20 | 287786755919610 |
21 | 709366149217940 |
22 | 17019652496034468 |
23 | 198351459813601270 |
[1,1,4,18,48,360,450,6174,27000,34200,93250, 1776566,11293824,172014648,1296688778,20393895570, 173895132784,3328106382492,11622794050422, 287786755919610,709366149217940,17019652496034468, 198351459813601270] |