a(n) = 2*prime(n)^3.

Terms

a(0) =16a(1) =54a(2) =250a(3) =686a(4) =2662a(5) =4394a(6) =9826a(7) =13718a(8) =24334a(9) =48778a(10) =59582a(11) =101306a(12) =137842a(13) =159014a(14) =207646a(15) =297754a(16) =410758a(17) =453962a(18) =601526a(19) =715822a(20) =778034a(21) =986078a(22) =1143574a(23) =1409938a(24) =1825346a(25) =2060602a(26) =2185454a(27) =2450086a(28) =2590058a(29) =2885794