Squares whose largest decimal digit is 4.

Terms

a(0) =4a(1) =144a(2) =324a(3) =400a(4) =441a(5) =1024a(6) =1444a(7) =2304a(8) =2401a(9) =10404a(10) =14400a(11) =23104a(12) =32041a(13) =32400a(14) =33124a(15) =40000a(16) =40401a(17) =44100a(18) =101124a(19) =102400a(20) =103041a(21) =110224a(22) =114244a(23) =121104a(24) =131044a(25) =144400a(26) =203401a(27) =204304a(28) =213444a(29) =230400