Numbers whose square starts with 7 identical digits.

Terms

a(0) =745356a(1) =942809a(2) =1490712a(3) =1825742a(4) =3333334a(5) =4714045a(6) =4714046a(7) =5773503a(8) =6666667a(9) =7453560a(10) =8164966a(11) =8819171a(12) =9428090a(13) =10540926a(14) =10540927a(15) =10540928a(16) =10540929a(17) =14907120a(18) =14907121a(19) =14907122a(20) =18257418a(21) =18257419a(22) =18257420a(23) =21081851