login

A305920 as a simple table

na(n)
10
2196560
316773120
4-18919981080
5-3292295086080
62312547886368720
7640457437563740160
8-302667453389051314200
9-123005476312830648176640
1039529719620247267255853008
1123306082528463942764630528000
12-4849033309391159571741461446680

[0,196560,16773120,-18919981080,-3292295086080,
 2312547886368720,640457437563740160,
 -302667453389051314200,-123005476312830648176640,
 39529719620247267255853008,
 23306082528463942764630528000,
 -4849033309391159571741461446680]