1. Introduction. Let Z, N, Q be the sets of integers, positive integers and rational numbers respectively. Let (a, b, c) be a primitive Pythagorean triple such that
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since a 2 ≡ 0 (mod 4) and b 2 ≡ 1 (mod 4). Let 2 α k a, 2 β k b 2 − 1, 2 γ k (z − 2)/4 and 2 δi
Further, let p α k b, p β k z/2 and p γi
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