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Lucky numbers that are decimal concatenations of n with n + 5.
1

%I #10 Mar 09 2015 09:35:18

%S 49,1419,3439,3843,4045,5661,8085,110115,128133,134139,164169,170175,

%T 182187,188193,200205,218223,224229,308313,332337,362367,368373,

%U 416421,422427,452457,506511,578583,584589,602607,686691,740745,758763,764769

%N Lucky numbers that are decimal concatenations of n with n + 5.

%Y Cf. A000959, A032645.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, May 15 1998

%E More terms from _Sascha Kurz_, Mar 24 2002

%E Edited by _Charles R Greathouse IV_, Apr 30 2010