%I M3584 #11 May 10 2013 12:43:49
%S 1,4,22,110,515,2272,9777,40752,166519,668134,2644988,10351321,
%T 40150556,154591610,591780559,2254880616,8561287942,32418230925,
%U 122522492807,462502319244,1744810912396,6581954720648,24839735669771
%N Number of graphs with n nodes, n+2 edges and no isolated vertices.
%D W. L. Kocay, Some new methods in reconstruction theory, pp. 89 - 114 of Combinatorial Mathematics IX. Proc. Ninth Australian Conference (Brisbane, August 1981). Ed. E. J. Billington, S. Oates-Williams and A. P. Street. Lecture Notes Math., 952. Springer-Verlag, 1982.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%Y Cf. A048180.
%K nonn
%O 4,2
%A _N. J. A. Sloane_.
%E More terms from _Vladeta Jovovic_, Mar 02 2008
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