a(n) = prime(n)*(prime(n + 1) + 1) - (n^3 + sum of digits of n^3).

Terms

a(0) =6a(1) =2a(2) =4a(3) =10a(4) =21a(5) =9a(6) =-13a(7) =-64a(8) =-57a(9) =-73a(10) =-161a(11) =-192a(12) =-412a(13) =-697a(14) =-855a(15) =-935a(16) =-1272a(17) =-1702a(18) =-2063a(19) =-2754a(20) =-3439a(21) =-4031a(22) =-4714a(23) =-5120a(24) =-5750a(25) =-7098a(26) =-8586a(27) =-10201a(28) =-11989a(29) =-12545