Numbers n not divisible by 100 such that both concat(1,n) and concat(6,n) are squares.
A264805
Numbers n not divisible by 100 such that both concat(1,n) and concat(6,n) are squares.
Terms
- a(0) =80625a(1) =890625a(2) =724297265625
External references
- oeis: A264805