Squares that remain squares if you decrease them by 5 times a repunit with the same number of digits.

A273232

Squares that remain squares if you decrease them by 5 times a repunit with the same number of digits.

Terms

    a(0) =9a(1) =64a(2) =676a(3) =6084a(4) =56644a(5) =556516a(6) =605284a(7) =669124a(8) =702244a(9) =743044a(10) =784996a(11) =835396a(12) =8538084a(13) =55562116a(14) =60497284a(15) =79673476a(16) =6049417284a(17) =7028810244a(18) =96560590564a(19) =555838838116a(20) =567620600836a(21) =575774404804a(22) =604938617284a(23) =612115334884a(24) =619365852004a(25) =643617898564a(26) =817422124996

External references