login

A012386 as a simple table

na(n)
01
10
2-12
3-360
4-7280
5504000
6121581504
714369939584
856810973440
9-657138821830656
10-255226784793623552
11-45397358372525164544
1215722139759017802895360
1320152649683846086682296320

[1,0,-12,-360,-7280,504000,121581504,14369939584,
 56810973440,-657138821830656,-255226784793623552,
 -45397358372525164544,15722139759017802895360,
 20152649683846086682296320]