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Related to numbers of equicolorable trees (see Pippenger article for definition).
0

%I #3 Mar 30 2012 16:50:26

%S 1,0,0,0,1,2,8,18,52,130,348,904,2416,6404,17213

%N Related to numbers of equicolorable trees (see Pippenger article for definition).

%C For precise definition, recurrence and asymptotics see the Pippenger reference.

%D N. Pippenger, Enumeration of equicolorable trees, SIAM J. Discrete Math., 14 (2001), 93-115.

%K nonn

%O 1,6

%A _N. J. A. Sloane_, Aug 04 2006