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Number of allomorphic polyhedra with n nodes.
(Formerly M1362 N0526)
0

%I M1362 N0526 #13 Oct 20 2023 21:32:07

%S 1,2,5,9,18,31,57,92,159

%N Number of allomorphic polyhedra with n nodes.

%D M. B. Dillencourt, personal communication.

%D J. McClellan, The question of allomorphs, J. Rec. Math., 4 (1971), 115-123.

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

%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_