Squares containing 2k digits in which the sum of the first k digits = that of the rest.

Terms

a(0) =5041a(1) =108900a(2) =122500a(3) =128164a(4) =137641a(5) =155236a(6) =173056a(7) =185761a(8) =203401a(9) =206116a(10) =216225a(11) =287296a(12) =288369a(13) =302500a(14) =324900a(15) =342225a(16) =368449a(17) =423801a(18) =434281a(19) =459684a(20) =485809a(21) =515524a(22) =531441a(23) =540225a(24) =675684a(25) =698896a(26) =720801a(27) =737881a(28) =749956a(29) =779689