Positive numbers n with concatenations n=x//y such that n=x^2-y^2.

Terms

a(0) =100a(1) =147a(2) =10000a(3) =13467a(4) =1000000a(5) =1010100a(6) =1016127a(7) =1034187a(8) =1140399a(9) =1190475a(10) =1216512a(11) =1300624a(12) =1334667a(13) =1416767a(14) =1484847a(15) =1530900a(16) =100000000a(17) =102341547a(18) =102661652a(19) =116604399a(20) =133346667a(21) =159809775a(22) =10000000000a(23) =10101010100a(24) =13333466667a(25) =14848484847