Let us denote 's' the sum of the deficient numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s)-s is equal to x.

A254879

Let us denote 's' the sum of the deficient numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s)-s is equal to x.

Terms

    a(0) =6a(1) =28a(2) =54a(3) =284a(4) =496a(5) =1184a(6) =1210a(7) =2924a(8) =5564a(9) =6232a(10) =6368a(11) =8128a(12) =10744a(13) =10856a(14) =14595a(15) =18150a(16) =18416a(17) =66928a(18) =66992a(19) =71145a(20) =76084a(21) =87633a(22) =88730a(23) =123152a(24) =124155a(25) =139815a(26) =153176a(27) =168730a(28) =176336a(29) =180848

External references