Numbers k which are concatenations k = x//y such that y^2 - x^2 = k.

Terms

a(0) =48a(1) =3468a(2) =10101a(3) =16128a(4) =34188a(5) =140400a(6) =190476a(7) =216513a(8) =300625a(9) =334668a(10) =416768a(11) =484848a(12) =530901a(13) =2341548a(14) =2661653a(15) =16604400a(16) =33346668a(17) =59809776a(18) =101010101a(19) =3333466668a(20) =4848484848a(21) =4989086476a(22) =18516137328a(23) =30534177388a(24) =56734244853