|
%I M1464 #15 Mar 29 2017 14:41:24
%S 1,2,5,14,45,191,871,4682,27336,172706,1150322,7989004
%N Number of unsensed planar maps with n edges and without loops.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H Timothy R. Walsh, <a href="http://dx.doi.org/10.1137/0604018">Generating nonisomorphic maps without storing them</a>, SIAM J. Algebraic Discrete Methods 4 (1983), no. 2, 161-178.
%K nonn
%O 1,2
%A _N. J. A. Sloane_.
%E a(8)-a(12) from _Sean A. Irvine_, Mar 29 2017
|
