a(n) = (10*n + 1)^3.

Terms

a(0) =1a(1) =1331a(2) =9261a(3) =29791a(4) =68921a(5) =132651a(6) =226981a(7) =357911a(8) =531441a(9) =753571a(10) =1030301a(11) =1367631a(12) =1771561a(13) =2248091a(14) =2803221a(15) =3442951a(16) =4173281a(17) =5000211a(18) =5929741a(19) =6967871a(20) =8120601a(21) =9393931a(22) =10793861a(23) =12326391a(24) =13997521a(25) =15813251a(26) =17779581a(27) =19902511a(28) =22188041a(29) =24642171