%I #18 Jun 06 2024 12:28:47
%S 2,5,20,85,418,2242,12828,77777,493286,3260485,22314484,157735801,
%T 1147285362,8570960234,65611620808,513963377327,4113363020482,
%U 33598074760393,279764563749076,2372822051513583,20481425601917742
%N Number of reflexible maps with n edges.
%H Antonio Breda d'Azevedo, Alexander Mednykh, and Roman Nedela, <a href="/A170947/b170947.txt">Table of n, a(n) for n = 1..30</a>
%H Antonio Breda d'Azevedo, Alexander Mednykh, and Roman Nedela, <a href="https://doi.org/10.1016/j.disc.2009.11.017">Enumeration of maps regardless of genus: Geometric approach</a>, Discrete Mathematics, Volume 310, 2010, Pages 1184-1203.
%Y Cf. A170948, A170946, A214816.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Feb 21 2010