a(n) = (11*n + 5)^3.

Terms

a(0) =125a(1) =4096a(2) =19683a(3) =54872a(4) =117649a(5) =216000a(6) =357911a(7) =551368a(8) =804357a(9) =1124864a(10) =1520875a(11) =2000376a(12) =2571353a(13) =3241792a(14) =4019679a(15) =4913000a(16) =5929741a(17) =7077888a(18) =8365427a(19) =9800344a(20) =11390625a(21) =13144256a(22) =15069223a(23) =17173512a(24) =19465109a(25) =21952000a(26) =24642171a(27) =27543608a(28) =30664297a(29) =34012224