Irrational unitary phi amicable number: numbers b such that uphi(a) = uphi(b) = 2*(a^2-b^2)^(1/2) where uphi = A047994.

A046709

Irrational unitary phi amicable number: numbers b such that uphi(a) = uphi(b) = 2*(a^2-b^2)^(1/2) where uphi = A047994.

Terms

    a(0) =25200a(1) =982800a(2) =1562400a(3) =5358990a(4) =6854400a(5) =60933600a(6) =267321600a(7) =450964684800a(8) =798939187200

External references