a(n) = (11*n + 2)^3.

Terms

a(0) =8a(1) =2197a(2) =13824a(3) =42875a(4) =97336a(5) =185193a(6) =314432a(7) =493039a(8) =729000a(9) =1030301a(10) =1404928a(11) =1860867a(12) =2406104a(13) =3048625a(14) =3796416a(15) =4657463a(16) =5639752a(17) =6751269a(18) =8000000a(19) =9393931a(20) =10941048a(21) =12649337a(22) =14526784a(23) =16581375a(24) =18821096a(25) =21253933a(26) =23887872a(27) =26730899a(28) =29791000a(29) =33076161