login

A234459 as a simple table

na(n)
11
2-20
37800
4530400000
52787453552000000
6-7066368691421644800000000
73108366378804858902744832000000000000
81291087724942273632600239979303403520000000000000000

[1,-20,7800,530400000,2787453552000000,
 -7066368691421644800000000,
 3108366378804858902744832000000000000,
 12910877249422736326002399793034035200000000000000\
 00]