Squares with internal digits also forming a square > 0.

Terms

a(0) =144a(1) =196a(2) =441a(3) =841a(4) =1369a(5) =3364a(6) =4096a(7) =5041a(8) =8649a(9) =10816a(10) =11449a(11) =20164a(12) =38416a(13) =61009a(14) =64009a(15) =77841a(16) =117649a(17) =132496a(18) =170569a(19) =231361a(20) =249001a(21) =288369a(22) =310249a(23) =405769a(24) =564001a(25) =619369a(26) =1004004a(27) =1077444a(28) =1129969a(29) =2163841