a(n) is the smallest k with rank((Z/kZ)*) = n such that there are an odd number of coprime squares modulo k.

A348418

a(n) is the smallest k with rank((Z/kZ)*) = n such that there are an odd number of coprime squares modulo k.

Terms

    a(0) =1a(1) =3a(2) =8a(3) =24a(4) =168a(5) =1848a(6) =35112a(7) =807576a(8) =25034856a(9) =1076498808a(10) =50595443976

External references