Zero, together with positive numbers k such that prime(k) - k is a square.

Terms

a(0) =0a(1) =1a(2) =2a(3) =12a(4) =100a(5) =118a(6) =152a(7) =190a(8) =212a(9) =258a(10) =352a(11) =462a(12) =690a(13) =741a(14) =1285a(15) =1396a(16) =1417a(17) =2119a(18) =2318a(19) =2603a(20) =3370a(21) =3777a(22) =4073a(23) =4155a(24) =4485a(25) =4522a(26) =4600a(27) =4719a(28) =5317a(29) =5446