a(n)^4 is the smallest fourth power whose decimal expansion digits occur with same frequency n.

A052093

a(n)^4 is the smallest fourth power whose decimal expansion digits occur with same frequency n.

Terms

    a(0) =0a(1) =207a(2) =130398a(3) =5694207a(4) =426424828a(5) =18304641024

External references