Smallest square which when written in base b contains each digit exactly once, or -1 if no such square exists.

A340501

Smallest square which when written in base b contains each digit exactly once, or -1 if no such square exists.

Terms

    a(0) =-1a(1) =-1a(2) =225a(3) =-1a(4) =38025a(5) =314721a(6) =3111696a(7) =61058596a(8) =1026753849a(9) =31529329225a(10) =892067027049a(11) =-1a(15) =-1a(19) =-1

External references