1989417domain: NAppears in sequencesa(n) is the least integer k such that the sum of the digits of k^2 is 9*n.at n=11A369953a(n) is the number whose reversed n-digit square is the largest among all reversals of n-digit squares.at n=12A383027Smallest k such that the sum of digits of k^2 in base 10 is divisible by n.at n=32A389004