Concatenation of n^3 and n^2.

Terms

a(0) =11a(1) =84a(2) =279a(3) =6416a(4) =12525a(5) =21636a(6) =34349a(7) =51264a(8) =72981a(9) =1000100a(10) =1331121a(11) =1728144a(12) =2197169a(13) =2744196a(14) =3375225a(15) =4096256a(16) =4913289a(17) =5832324a(18) =6859361a(19) =8000400a(20) =9261441a(21) =10648484a(22) =12167529a(23) =13824576a(24) =15625625a(25) =17576676a(26) =19683729a(27) =21952784a(28) =24389841a(29) =27000900