If n = Product p_i^r_i let Uphi(n) = Product(p_i^r_i - 1). Call (x,y) a square unitary phi amicable pair if Uphi(x)^2 = Uphi(y)^2 = x^2-y^2. Sequence gives x values for square unitary phi amicable pairs.

A099105

If n = Product p_i^r_i let Uphi(n) = Product(p_i^r_i - 1). Call (x,y) a square unitary phi amicable pair if Uphi(x)^2 = Uphi(y)^2 = x^2-y^2. Sequence gives x values for square unitary phi amicable pairs.