Squares whose internal digits form a square.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =25a(6) =36a(7) =49a(8) =64a(9) =81a(10) =100a(11) =144a(12) =196a(13) =400a(14) =441a(15) =841a(16) =900a(17) =1369a(18) =3364a(19) =4096a(20) =5041a(21) =8649a(22) =10000a(23) =10816a(24) =11449a(25) =20164a(26) =38416a(27) =40000a(28) =61009a(29) =64009