In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists).

A202174

In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists).

Terms

    a(0) =1a(1) =111111111a(2) =222222222a(3) =333333333a(4) =444444444a(5) =555555555a(6) =666666666a(7) =777777777a(8) =888888888a(9) =999999999

External references