a(n) = n XOR n^3.

Terms

a(0) =0a(1) =0a(2) =10a(3) =24a(4) =68a(5) =120a(6) =222a(7) =336a(8) =520a(9) =720a(10) =994a(11) =1336a(12) =1740a(13) =2200a(14) =2742a(15) =3360a(16) =4112a(17) =4896a(18) =5850a(19) =6872a(20) =8020a(21) =9272a(22) =10638a(23) =12176a(24) =13848a(25) =15632a(26) =17586a(27) =19704a(28) =21980a(29) =24408