a(n) = prime(n)^4 - 32.

Terms

a(0) =-16a(1) =49a(2) =593a(3) =2369a(4) =14609a(5) =28529a(6) =83489a(7) =130289a(8) =279809a(9) =707249a(10) =923489a(11) =1874129a(12) =2825729a(13) =3418769a(14) =4879649a(15) =7890449a(16) =12117329a(17) =13845809a(18) =20151089a(19) =25411649a(20) =28398209a(21) =38950049a(22) =47458289a(23) =62742209a(24) =88529249a(25) =104060369a(26) =112550849