Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 26 |
4 | 126 |
5 | 408 |
6 | -1704 |
7 | -51696 |
8 | -555408 |
9 | -1217664 |
10 | 93550464 |
11 | 2424183552 |
12 | 30038190336 |
13 | -114098181120 |
14 | -16707096806400 |
15 | -459530721441792 |
16 | -5231858686838784 |
17 | 130925278326915072 |
18 | 9038174050387722240 |
19 | 246578101419998380032 |
20 | 1534994756662100557824 |
[0,1,5,26,126,408,-1704,-51696,-555408,-1217664, 93550464,2424183552,30038190336,-114098181120, -16707096806400,-459530721441792, -5231858686838784,130925278326915072, 9038174050387722240,246578101419998380032, 1534994756662100557824] |