%I #9 Jun 24 2013 17:23:37
%S 12,243,2475,28575,428571,4928571,49928571
%N Maximal value of GCD of 2 distinct n-digit numbers using the same digits.
%C Without the "same digits" constraint, one would get A198971. - _Michel Marcus_, Jun 24 2013
%e a(3)=243=GCD(729,972).
%K base,nonn
%O 2,1
%A Dmitry Tishkov (DimaTishkov(AT)yandex.ru), Feb 14 2007