Numbers k for which sigma(k)/k - 2/9 is an integer.

A218430

Numbers k for which sigma(k)/k - 2/9 is an integer.

Terms

    a(0) =54a(1) =2744280a(2) =6191640a(3) =182494620a(4) =653425920a(5) =702989280a(6) =27025270272a(7) =72475361280

External references