Search: id:A119102
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%I A119102
%S A119102 1,5,6,10,49,66,101,174,205,210,550,666,714,4806,5010,6498,6666,10114,
%T A119102 14914,22410,66666,71449,471701,495005,666666,1500101,2246130,3241950,
%U A119102 6666666,15591825,17408114,66666666,666666666,1024813373,1581866714
%N A119102 Numbers n such that the n-th triangular number contains only digits {1,
               2,5}.
%H A119102 G. Resta, <a href="http://www.iit.cnr.it/staff/giovanni.resta/tritri.txt">
               Tridigital Triangular Numbers</a>
%Y A119102 Cf. A000217, A119101. See A119034 for a table of cross-references.
%Y A119102 Sequence in context: A018834 A029943 A063630 this_sequence A162015 A162017 
               A069170
%Y A119102 Adjacent sequences: A119099 A119100 A119101 this_sequence A119103 A119104 
               A119105
%K A119102 nonn,base
%O A119102 1,2
%A A119102 Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006

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