Search: id:A048918
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%I A048918
%S A048918 1,325,5330229625,1353857339341,22184715227362706161,
%T A048918 5634830324997758086741,92334031424171069457850940521,
%U A048918 23452480456295952079681300143325
%N A048918 9-gonal hexagonal numbers.
%H A048918 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               NonagonalHexagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A048918 Cf. A048916, A048917.
%Y A048918 Sequence in context: A121000 A048909 A097739 this_sequence A031516 A066128 
               A138816
%Y A048918 Adjacent sequences: A048915 A048916 A048917 this_sequence A048919 A048920 
               A048921
%K A048918 nonn
%O A048918 1,2
%A A048918 Eric Weisstein (eric(AT)weisstein.com)

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