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%I #9 Jul 28 2021 04:24:05
%S 0,9,12,13,15,16,18,21,22,24,31,36,40,43,45,60,61,63,66,75,76,79,84,
%T 87,94,100,103,109,114,126,129,130,136,138,145,157,163,171,172,177,
%U 186,189,190,195,201,205,213,217,222,237,240,243,253,256,259
%N Numbers k such that k surrounded by digit '3' is a lucky number.
%Y Cf. A000959, A032683.
%K nonn,base
%O 1,2
%A _Patrick De Geest_, May 15 1998
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