Numerators of the sequence whose Dirichlet convolution with itself yields cubes (A000578).

Terms

a(0) =1a(1) =4a(2) =27a(3) =24a(4) =125a(5) =54a(6) =343a(7) =160a(8) =2187a(9) =250a(10) =1331a(11) =324a(12) =2197a(13) =686a(14) =3375a(15) =1120a(16) =4913a(17) =2187a(18) =6859a(19) =1500a(20) =9261a(21) =2662a(22) =12167a(23) =2160a(24) =46875a(25) =4394a(26) =98415a(27) =4116a(28) =24389a(29) =3375