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%I A054937 #12 Mar 04 2018 10:22:18
%S A054937 0,0,0,5,64,655,5858,51369,448982,3967466,35603366,324990677,
%T A054937 3016738988,28449849867,272233685444,2639649712580,25902435997188
%N A054937 Number of chiral planar maps on n nodes up to orientation-preserving isomorphisms.
%H A054937 V. A. Liskovets, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL3/LISK/Derseq.html">Some easily derivable sequences</a>, J. Integer Sequences, 3 (2000), #00.2.2.
%F A054937 a(n) = A006385(n)-A054936(n). - R. J. Mathar, Oct 01 2011
%K A054937 nonn,easy
%O A054937 1,4
%A A054937 _N. J. A. Sloane_, May 24 2000

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