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%I #4 May 10 2013 12:44:31
%S 80,1271126683458,56713727820157015040139002378207625216,
%T 391831450274095835989578845740748572507778319772471971788263545022346079349517822265625,
%U 200686811274705851367015009476213900556122115576242204059686870190836815007216055889993135664840027801272974569041030260103375717453629833465368932436741614903498899456
%N Number of equivalence classes of n-valued Post functions of 3 variables under action of symmetric group S_3.
%D M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), p. 295.
%Y Cf. A000616, A001321-A001324.
%K nonn
%O 2,1
%A _Vladeta Jovovic_, Aug 09 2000
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