a(n) = (prime(n)^5 - prime(n))/10.

Terms

a(0) =3a(1) =24a(2) =312a(3) =1680a(4) =16104a(5) =37128a(6) =141984a(7) =247608a(8) =643632a(9) =2051112a(10) =2862912a(11) =6934392a(12) =11585616a(13) =14700840a(14) =22934496a(15) =41819544a(16) =71492424a(17) =84459624a(18) =135012504a(19) =180422928a(20) =207307152a(21) =307705632a(22) =393904056a(23) =558405936a(24) =858734016a(25) =1051010040