a(n) = 1729*n^3.

Terms

a(0) =1729a(1) =13832a(2) =46683a(3) =110656a(4) =216125a(5) =373464a(6) =593047a(7) =885248a(8) =1260441a(9) =1729000a(10) =2301299a(11) =2987712a(12) =3798613a(13) =4744376a(14) =5835375a(15) =7081984a(16) =8494577a(17) =10083528a(18) =11859211a(19) =13832000a(20) =16012269a(21) =18410392a(22) =21036743a(23) =23901696a(24) =27015625a(25) =30388904a(26) =34031907a(27) =37955008a(28) =42168581a(29) =46683000