Difference between n-th prime squared and n-th perfect square.

Terms

a(0) =3a(1) =5a(2) =16a(3) =33a(4) =96a(5) =133a(6) =240a(7) =297a(8) =448a(9) =741a(10) =840a(11) =1225a(12) =1512a(13) =1653a(14) =1984a(15) =2553a(16) =3192a(17) =3397a(18) =4128a(19) =4641a(20) =4888a(21) =5757a(22) =6360a(23) =7345a(24) =8784a(25) =9525a(26) =9880a(27) =10665a(28) =11040a(29) =11869