Numbers k such that the digits of sqrt(k) begin with k.

Terms

a(0) =0a(1) =1a(2) =98a(3) =99a(4) =100a(5) =9998a(6) =9999a(7) =10000a(8) =999998a(9) =999999a(10) =1000000a(11) =99999998a(12) =99999999a(13) =100000000a(14) =9999999998a(15) =9999999999a(16) =10000000000a(17) =999999999998a(18) =999999999999a(19) =1000000000000