(+2)-unitary sigma 3-multiple perfect number: numbers k such that (+2)usigma(k) = 3*k, where (+2)usigma(k) = A107759(k).

A054862

(+2)-unitary sigma 3-multiple perfect number: numbers k such that (+2)usigma(k) = 3*k, where (+2)usigma(k) = A107759(k).

Terms

    a(0) =105a(1) =45045a(2) =237405a(3) =101846745a(4) =121486365a(5) =274680671265

External references