Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 15 |
4 | 196 |
5 | 2765 |
6 | 44136 |
7 | 803383 |
8 | 16595776 |
9 | 385606089 |
10 | 9980041600 |
11 | 285072169811 |
12 | 8912986937856 |
13 | 302831517446653 |
14 | 11111352988374016 |
15 | 437883428985915375 |
16 | 18446566229995503616 |
17 | 827237060699483900177 |
18 | 39346347252746333159424 |
19 | 1978418439209309500803979 |
20 | 104857574454528914145280000 |
[0,1,15,196,2765,44136,803383,16595776,385606089, 9980041600,285072169811,8912986937856, 302831517446653,11111352988374016, 437883428985915375,18446566229995503616, 827237060699483900177,39346347252746333159424, 1978418439209309500803979, 104857574454528914145280000] |