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From the graph reconstruction problem.
(Formerly M1401)
2

%I M1401 #7 Mar 30 2012 16:45:02

%S 1,2,5,11,27,62,152,373

%N From the graph reconstruction problem.

%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).

%K nonn

%O 4,2

%A _N. J. A. Sloane_.