a(n) = prime^2 and digits of prime appear in a(n).

Terms

a(0) =25a(1) =121a(2) =10201a(3) =19321a(4) =39601a(5) =44521a(6) =76729a(7) =177241a(8) =214369a(9) =249001a(10) =253009a(11) =259081a(12) =273529a(13) =351649a(14) =361201a(15) =398161a(16) =436921a(17) =537289a(18) =573049a(19) =786769a(20) =829921a(21) =982081a(22) =1042441a(23) =1190281a(24) =1247689a(25) =1352569a(26) =1371241a(27) =1423249