Search: id:A050722
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%I A050722
%S A050722 3,6,66,5995,15051,15199896744769899151
%N A050722 Palindromic triangular numbers arising from A050721 and A083571.
%H A050722 P. De Geest, <a href="http://www.worldofnumbers.com/subtria.htm">Subsets 
               of palindromic triangulars</a>
%Y A050722 Cf. A008509, A008510, A050721.
%Y A050722 Sequence in context: A076551 A127637 A068665 this_sequence A069502 A023174 
               A157197
%Y A050722 Adjacent sequences: A050719 A050720 A050721 this_sequence A050723 A050724 
               A050725
%K A050722 nonn,base,hard
%O A050722 1,1
%A A050722 Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.

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