MathDB
no with equal digits and sum of squares of 3 consecutive odd integers

Source: ITAMO 2000 p1

January 25, 2020
number theoryconsecutiveSum of Squares

Problem Statement

A possitive integer is called special if all its decimal digits are equal and it can be represented as the sum of squares of three consecutive odd integers. (a) Find all 44-digit special numbers (b) Are there 20002000-digit special numbers?