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Number of equivalence classes of n-valued Post functions of 3 variables under action of symmetric group S_3.
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%I #8 May 19 2024 12:46:43

%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.

%H M. A. Harrison and R. G. High, <a href="https://doi.org/10.1016/S0021-9800(68)80008-0">On the cycle index of a product of permutation groups</a>, J. Combin. Theory, 4 (1968), 277-299. See p. 295.

%Y Cf. A000616, A001321, A001323, A001324.

%K nonn

%O 2,1

%A _Vladeta Jovovic_, Aug 09 2000