Search: id:A048915
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%I A048915
%S A048915 1,651,180868051,95317119801,26472137730696901,13950766352135999751,
%T A048915 3874504486629442861646551,2041856512426320950146560501,
%U A048915 567078683619272811125915867157001
%N A048915 9-gonal pentagonal numbers.
%H A048915 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               NonagonalPentagonalNumber.html">Link to a section of The World of 
               Mathematics.</a>
%Y A048915 Cf. A048913, A048914.
%Y A048915 Sequence in context: A151736 A010087 A110850 this_sequence A002232 A127029 
               A127030
%Y A048915 Adjacent sequences: A048912 A048913 A048914 this_sequence A048916 A048917 
               A048918
%K A048915 nonn
%O A048915 1,2
%A A048915 Eric Weisstein (eric(AT)weisstein.com)

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