a(n) = ((n-th prime)^5-(n-th prime)^3)/3.

Terms

a(0) =8a(1) =72a(2) =1000a(3) =5488a(4) =53240a(5) =123032a(6) =471648a(7) =823080a(8) =2141392a(9) =6828920a(10) =9533120a(11) =23097768a(12) =38595760a(13) =48976312a(14) =76413728a(15) =139348872a(16) =238239640a(17) =281456440a(18) =449941448a(19) =601290480a(20) =690894192a(21) =1025521120a(22) =1312822952a(23) =1861118160