Numbers whose divisor balance is an integer.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =9a(5) =16a(6) =18a(7) =32a(8) =36a(9) =45a(10) =64a(11) =72a(12) =81a(13) =90a(14) =98a(15) =126a(16) =128a(17) =144a(18) =162a(19) =180a(20) =225a(21) =234a(22) =256a(23) =288a(24) =294a(25) =324a(26) =360a(27) =363a(28) =396a(29) =450