Use Pythagorean theorem to return all positive integers that satisfy the Pythagorean equation for all postive integers less than or equal to zero

i am looking to obtain all positive integers that satisify the Pythagorean equation for all positive integers that are less than or equal to z.

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer