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%I #9 Mar 31 2012 12:38:44
%S 12,18,21,24,39,42,45,54,78,81,87,93,99,102,108,114,117,120,129,141,
%T 144,147,168,171,174,180,186,192,201,204,210,219,222,228,234,237,240,
%U 243,267,273,276,282,291,309,324,327,333,336,339,342,348,363
%N Numbers having period-27 7-digitized sequences.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Digitaddition.html">Digitaddition</a>
%K nonn,base
%O 1,1
%A _Eric W. Weisstein_
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