a(n) = (10*n + 2)^3.

Terms

a(0) =8a(1) =1728a(2) =10648a(3) =32768a(4) =74088a(5) =140608a(6) =238328a(7) =373248a(8) =551368a(9) =778688a(10) =1061208a(11) =1404928a(12) =1815848a(13) =2299968a(14) =2863288a(15) =3511808a(16) =4251528a(17) =5088448a(18) =6028568a(19) =7077888a(20) =8242408a(21) =9528128a(22) =10941048a(23) =12487168a(24) =14172488a(25) =16003008a(26) =17984728a(27) =20123648a(28) =22425768a(29) =24897088