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

Terms

a(0) =37a(1) =48a(2) =111a(3) =147a(4) =148a(5) =525a(6) =832a(7) =1036a(8) =1443a(9) =2457a(10) =3367a(11) =3468a(12) =4477a(13) =5887a(14) =6591a(15) =6993a(16) =7696a(17) =11011a(18) =12025a(19) =12096a(20) =12432a(21) =12493a(22) =12636a(23) =12691a(24) =12943a(25) =12987a(26) =13357a(27) =13377a(28) =13467a(29) =13468