Pairs of deficient numbers having the same value of sigma(k)/k in the order that they are found.

A211680

Pairs of deficient numbers having the same value of sigma(k)/k in the order that they are found.

Terms

    a(0) =135a(1) =819a(2) =3375a(3) =6975a(4) =1485a(5) =9009a(6) =2295a(7) =13923a(8) =2565a(9) =15561a(10) =3105a(11) =18837a(12) =3915a(13) =23751a(14) =4185a(15) =25389a(16) =4995a(17) =30303a(18) =5535a(19) =33579a(20) =5805a(21) =35217a(22) =6345a(23) =38493a(24) =25137a(25) =40131a(26) =7155a(27) =43407a(28) =7965a(29) =48321

External references