Numbers k == 0 or 2 (mod 6) which are not the sum of a prime and the square of a prime.

Terms

a(0) =0a(1) =2a(2) =8a(3) =18a(4) =24a(5) =74a(6) =170a(7) =324a(8) =614a(9) =704a(10) =1010a(11) =1164a(12) =1296a(13) =2304a(14) =3600a(15) =4356a(16) =5184a(17) =6084a(18) =9216a(19) =10404a(20) =11664a(21) =14400a(22) =15054a(23) =15876a(24) =19044a(25) =20736a(26) =21774a(27) =22500a(28) =24336a(29) =24476