Search: id:A121143
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%I A121143
%S A121143 1,1,5,29,213,1545,11431,84037,617831,4529489
%N A121143 Numbers of isomers of unbranched a-4-catapolydecagons - see Brunvoll 
               reference for precise definition.
%D A121143 J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Isomer enumeration of polygonal 
               systems..., J. Molec. Struct. (Theochem), 364 (1996), 1-13.
%Y A121143 Sequence in context: A057588 A030522 A091124 this_sequence A027048 A094856 
               A057623
%Y A121143 Adjacent sequences: A121140 A121141 A121142 this_sequence A121144 A121145 
               A121146
%K A121143 nonn
%O A121143 1,3
%A A121143 N. J. A. Sloane (njas(AT)research.att.com), Aug 13 2006

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