a(n) = position of n^3 + (n+1)^3 + (n+2)^3 in A024975.

Terms

a(0) =1a(1) =4a(2) =10a(3) =23a(4) =44a(5) =74a(6) =118a(7) =166a(8) =241a(9) =328a(10) =436a(11) =563a(12) =718a(13) =894a(14) =1095a(15) =1327a(16) =1585a(17) =1891a(18) =2199a(19) =2592a(20) =2987a(21) =3417a(22) =3884a(23) =4406a(24) =4968a(25) =5563a(26) =6234a(27) =6931a(28) =7707a(29) =8519