Numbers k such that k^2 can be obtained from k by inserting a block of digits.

Terms

a(0) =0a(1) =1a(2) =5a(3) =6a(4) =10a(5) =11a(6) =25a(7) =76a(8) =95a(9) =96a(10) =100a(11) =101a(12) =125a(13) =376a(14) =625a(15) =976a(16) =995a(17) =996a(18) =1000a(19) =1001a(20) =1025a(21) =1376a(22) =9376a(23) =9625a(24) =9976a(25) =9995a(26) =9996a(27) =10000a(28) =10001a(29) =10025