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Size of second-order intersection graph of the matching graph G_n.
0

%I #6 Mar 30 2012 16:52:07

%S 126,448,55476,7482240

%N Size of second-order intersection graph of the matching graph G_n.

%C There are presumably earlier terms in the sequence, but the reference does not give them.

%D Larrion, F.; Pizana, M. A.; and Villarroel-Flores, R.; The clique operator on matching and chessboard graphs. Discrete Math. 309 (2009), no. 1, 85-93.

%K nonn

%O 7,1

%A _N. J. A. Sloane_, Dec 01 2011