Squares with initial digit '5'.

Terms

a(0) =529a(1) =576a(2) =5041a(3) =5184a(4) =5329a(5) =5476a(6) =5625a(7) =5776a(8) =5929a(9) =50176a(10) =50625a(11) =51076a(12) =51529a(13) =51984a(14) =52441a(15) =52900a(16) =53361a(17) =53824a(18) =54289a(19) =54756a(20) =55225a(21) =55696a(22) =56169a(23) =56644a(24) =57121a(25) =57600a(26) =58081a(27) =58564a(28) =59049a(29) =59536