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Digit '5' concatenated with n is a lucky number.
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%I #6 Mar 09 2015 09:35:19

%S 1,11,17,19,29,35,37,41,53,59,77,79,83,91,103,127,137,139,149,151,157,

%T 169,179,181,191,211,217,229,233,235,253,259,277,283,293,295,299,325,

%U 335,341,343,371,377,379,385,409,419,427,433,449,455,463

%N Digit '5' concatenated with n is a lucky number.

%Y Cf. A000959.

%K nonn,base,less

%O 1,2

%A _Patrick De Geest_, May 15 1998