login

A118707 as a simple table

na(n)
10
2-1
365
4-6720
51080750
6-252806400
781433562119
8-34630270976000
918813448225370124
10-12719917900800000000
1110478214213011739186685
12-10333870908014534470926336
1312023263324381930168836397850
14-16297888825404790818315505238016

[0,-1,65,-6720,1080750,-252806400,81433562119,
 -34630270976000,18813448225370124,
 -12719917900800000000,10478214213011739186685,
 -10333870908014534470926336,
 12023263324381930168836397850,
 -16297888825404790818315505238016]