8998988769domain: NAppears in sequencesa(n) = smallest square m^2 such that the sum of the digits of m^2 is equal to n^2.at n=9A067072Squares with strictly increasing sum of digits.at n=27A068809Smallest n-digit square with maximum digit sum.at n=9A069665Largest n-digit square with maximum digit sum.at n=9A069666