Number of distinct quintic residues x^5 (mod 5^n), x=0..5^n-1.

A365104

Number of distinct quintic residues x^5 (mod 5^n), x=0..5^n-1.

Terms

    a(0) =1a(1) =5a(2) =5a(3) =21a(4) =101a(5) =501a(6) =2505a(7) =12505a(8) =62521a(9) =312601a(10) =1563001a(11) =7815005a(12) =39075005a(13) =195375021a(14) =976875101a(15) =4884375501a(16) =24421877505a(17) =122109387505a(18) =610546937521

External references