Fourth powers (n * n * n * n) in carryless arithmetic mod 10.

Terms

a(0) =0a(1) =1a(2) =6a(3) =1a(4) =6a(5) =5a(6) =6a(7) =1a(8) =6a(9) =1a(10) =10000a(11) =14641a(12) =18426a(13) =12481a(14) =16666a(15) =10005a(16) =14646a(17) =18421a(18) =12486a(19) =16661a(20) =60000a(21) =62481a(22) =64646a(23) =66661a(24) =68426a(25) =60005a(26) =62486a(27) =64641a(28) =66666a(29) =68421