a(n)^2 is the least square to contain n different decimal digits.
A054039
a(n)^2 is the least square to contain n different decimal digits.
Terms
- a(0) =0a(1) =4a(2) =13a(3) =32a(4) =113a(5) =322a(6) =1017a(7) =3206a(8) =10124a(9) =32043
External references
- oeis: A054039