Numbers k such that the decimal expansion of k^3 contains k as a substring.

Terms

a(0) =0a(1) =1a(2) =4a(3) =5a(4) =6a(5) =9a(6) =10a(7) =24a(8) =25a(9) =32a(10) =40a(11) =49a(12) =50a(13) =51a(14) =56a(15) =60a(16) =75a(17) =76a(18) =90a(19) =99a(20) =100a(21) =125a(22) =240a(23) =249a(24) =250a(25) =251a(26) =375a(27) =376a(28) =400a(29) =490