a(n) = (11*n + 7)^3.

Terms

a(0) =343a(1) =5832a(2) =24389a(3) =64000a(4) =132651a(5) =238328a(6) =389017a(7) =592704a(8) =857375a(9) =1191016a(10) =1601613a(11) =2097152a(12) =2685619a(13) =3375000a(14) =4173281a(15) =5088448a(16) =6128487a(17) =7301384a(18) =8615125a(19) =10077696a(20) =11697083a(21) =13481272a(22) =15438249a(23) =17576000a(24) =19902511a(25) =22425768a(26) =25153757a(27) =28094464a(28) =31255875a(29) =34645976