#lang racket/base

  Exercise 3.72

  In a similar way to * Note Exercise 3 - 71 : :
;; generate a stream of all numbers that can be written as the sum of
  two squares in three different ways ( showing how they can be so
;; written).

 generate a stream of all numbers that can be written as the sum of
 written).
#lang racket/base

  Exercise 3.72

  In a similar way to * Note Exercise 3 - 71 : :
  two squares in three different ways ( showing how they can be so
