Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 40 |
4 | 800 |
5 | 28000 |
6 | 1568000 |
7 | 131712000 |
8 | 15805440000 |
9 | 2607897600000 |
10 | 573737472000000 |
11 | 164088916992000000 |
12 | 59728365785088000000 |
13 | 27176406432215040000000 |
14 | 15218787602040422400000000 |
15 | 10348775569387487232000000000 |
16 | 8444600864620189581312000000000 |
17 | 8182818237816963704291328000000000 |
[1,1,4,40,800,28000,1568000,131712000,15805440000, 2607897600000,573737472000000,164088916992000000, 59728365785088000000,27176406432215040000000, 15218787602040422400000000, 10348775569387487232000000000, 8444600864620189581312000000000, 8182818237816963704291328000000000] |