a(n) = ((n-th prime)^5-(n-th prime)^3)/2.

Terms

a(0) =12a(1) =108a(2) =1500a(3) =8232a(4) =79860a(5) =184548a(6) =707472a(7) =1234620a(8) =3212088a(9) =10243380a(10) =14299680a(11) =34646652a(12) =57893640a(13) =73464468a(14) =114620592a(15) =209023308a(16) =357359460a(17) =422184660a(18) =674912172a(19) =901935720a(20) =1036341288a(21) =1538281680a(22) =1969234428a(23) =2791677240