Smallest member of sociable quadruples with signature: abundant, abundant, deficient, deficient.

A222975

Smallest member of sociable quadruples with signature: abundant, abundant, deficient, deficient.

Terms

    a(0) =1264460a(1) =2115324a(2) =2784580a(3) =7169104a(4) =18656380a(5) =28158165a(6) =81128632a(7) =174277820a(8) =498215416a(9) =1236402232a(10) =1799281330a(11) =2387776550a(12) =2717495235a(13) =2879697304a(14) =15837081520a(15) =17616303220a(16) =91411869465a(17) =111375706442a(18) =661126361272a(19) =741158497112

External references