a(n) = prime^2 and digits of prime do not appear in a(n).

Terms

a(0) =4a(1) =9a(2) =49a(3) =289a(4) =841a(5) =2209a(6) =2809a(7) =3481a(8) =4489a(9) =6241a(10) =24649a(11) =29929a(12) =66049a(13) =94249a(14) =97969a(15) =121801a(16) =124609a(17) =128881a(18) =167281a(19) =201601a(20) =218089a(21) =299209a(22) =310249a(23) =332929a(24) =434281a(25) =452929a(26) =458329a(27) =546121a(28) =619369a(29) =727609