Squares whose decimal digits are nonsquares (2, 3, 5, 6, 7, 8).

Terms

a(0) =25a(1) =36a(2) =225a(3) =256a(4) =576a(5) =625a(6) =676a(7) =5625a(8) =5776a(9) =7225a(10) =8836a(11) =27225a(12) =27556a(13) =33856a(14) =37636a(15) =55225a(16) =65536a(17) =75625a(18) =225625a(19) =226576a(20) =235225a(21) =265225a(22) =266256a(23) =275625a(24) =276676a(25) =286225a(26) =352836a(27) =367236a(28) =378225a(29) =525625