Search: id:A119172
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%I A119172
%S A119172 6,66,276,666,7626,6666726,77666666626,2662627722726,2777672627676766,
%T A119172 77772662277672726,6622726277766676626,672667762262676277666726
%N A119172 Triangular numbers composed of digits {2,6,7}.
%C A119172 Next entry must be greater than 10^37.
%H A119172 G. Resta, <a href="http://www.iit.cnr.it/staff/giovanni.resta/tritri.txt">
               Tridigital Triangular Numbers</a>
%Y A119172 Cf. A000217, A058462, A119173. See A119033 for a table of cross-references.
%Y A119172 Sequence in context: A133424 A045641 A071276 this_sequence A064167 A119073 
               A028559
%Y A119172 Adjacent sequences: A119169 A119170 A119171 this_sequence A119173 A119174 
               A119175
%K A119172 nonn,base,more
%O A119172 1,1
%A A119172 Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006
%E A119172 New lower bound for further terms from Max Alekseyev (maxale(AT)gmail.com), 
               May 07 2009

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