%I A005177 M0347
%S A005177 1,1,1,2,2,5,4,17,22,167,539,18979,389436,50314796,2942198440,
%T A005177 1698517036411
%N A005177 Number of connected regular graphs with n nodes.
%D A005177 M. Meringer, Fast Generation of Regular Graphs and Construction of Cages. 
               Journal of Graph Theory, 30 (1999), 137-146. [From Jason Kimberley 
               (Jason.Kimberley(AT)newcastle.edu.au), Sep 23 2009]
%D A005177 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A005177 P. Steinbach, Field Guide to Simple Graphs. Design Lab, Albuquerque NM, 
               1990.
%H A005177 E. Friedman, <a href="a000088a.gif">Illustration of small graphs</a>
%H A005177 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               RegularGraph.html">Link to a section of The World of Mathematics.</
               a>
%H A005177 Markus Meringer, <a href="http://www.mathe2.uni-bayreuth.de/markus/reggraphs.html">
               GENREG: A program for Connected Regular Graphs</a> [From Giovanni 
               Resta (g.resta(AT)iit.cnr.it), Feb 05 2009]
%Y A005177 Cf. A002851, A005176, A006820-A006822, A014377, A014378, A014381, A014382, 
               A014384, A068932, A068934.
%Y A005177 Row sums of triangle A068934. Inverse Euler transformation of A165647. 
               Equals A165647 minus A165648. [From Jason Kimberley (Jason.Kimberley(AT)newcastle.edu.au), 
               Sep 23 2009]
%Y A005177 Sequence in context: A144366 A054156 A054079 this_sequence A045537 A161622 
               A116559
%Y A005177 Adjacent sequences: A005174 A005175 A005176 this_sequence A005178 A005179 
               A005180
%K A005177 nonn,nice,hard,more
%O A005177 1,4
%A A005177 N. J. A. Sloane (njas(AT)research.att.com).
%E A005177 More terms from David Wasserman (dwasserm(AT)earthlink.net), Mar 08 2002
%E A005177 a(15) from Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 05 2009
%E A005177 Terms are sums of the output from M. Meringer's genreg software. To complete 
               a(16) it was run by Jason Kimberley (Jason.Kimberley(AT)newcastle.edu.au), 
               Sep 23 2009