Numbers k such that the sum of the decimal digits of k is a substring of k and of k^3.

Terms

a(0) =1a(1) =4a(2) =5a(3) =6a(4) =9a(5) =10a(6) =40a(7) =50a(8) =60a(9) =90a(10) =100a(11) =400a(12) =500a(13) =600a(14) =900a(15) =910a(16) =1000a(17) =1009a(18) =1018a(19) =1027a(20) =1145a(21) =1158a(22) =1178a(23) =1198a(24) =1245a(25) =1345a(26) =1363a(27) =1427a(28) =1509a(29) =1609