Search: id:A142869
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%I A142869
%S A142869 2,5,8,24,52,185,2412,2412,10082
%N A142869 Number of permutation symbols of type .r(n) for hyperbolic archimedean 
               tesselations of rank 2n.
%C A142869 See Conway et al. for precise definition.
%D A142869 J. H. Conway et al., The Symmetries of Things, Peters, 2008, p. 261.
%Y A142869 Sequence in context: A092097 A088144 A100501 this_sequence A086825 A093365 
               A128600
%Y A142869 Adjacent sequences: A142866 A142867 A142868 this_sequence A142870 A142871 
               A142872
%K A142869 nonn,more
%O A142869 1,1
%A A142869 N. J. A. Sloane (njas(AT)research.att.com), Oct 03 2008

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