Deficient numbers n having a companion m > n such that sigma(n)/n = sigma(m)/m.

Terms

a(0) =135a(1) =3375a(2) =1485a(3) =2295a(4) =2565a(5) =3105a(6) =3915a(7) =4185a(8) =4995a(9) =5535a(10) =5805a(11) =6345a(12) =25137a(13) =7155a(14) =7965a(15) =8235a(16) =9045a(17) =9585a(18) =9855a(19) =10665a(20) =11205a(21) =12015a(22) =13095a(23) =13635a(24) =13905a(25) =14445a(26) =14715a(27) =43875a(28) =15255a(29) =16335