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%I #12 May 01 2014 02:37:01
%S 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,4,0,19,0,
%T 1272,25,494031,13504
%N Number of connected 4-regular simple graphs on n vertices with girth exactly 6.
%C First differs from A058348 at n = A054760(4,7) = 67.
%Y Connected 4-regular simple graphs with girth at least g: A006820 (g=3), A033886 (g=4), A058343 (g=5), A058348 (g=6).
%Y Connected 4-regular simple graphs with girth exactly g: A184943 (g=3), A184944 (g=4), A184945 (g=5), this sequence (g=6).
%K nonn,more,hard
%O 0,31
%A _Jason Kimberley_, Feb 27 2011
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