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Number of equivalence classes of n-valued Post functions of 3 variables under action of semi-direct product of symmetric group S_3 and complementing group C(3,n).
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%I #9 May 19 2024 12:46:24

%S 22,47093135946,886151997189981695113820646176823296,

%T 3134651602192766687916630765925989003578700185329945310286348103545655409509684765625,

%U 929105607753267830402847266093582872945009794334454648424476250883505063045211468786079180624616064970104635594329005644118117051244756456544404209339748566921547776

%N Number of equivalence classes of n-valued Post functions of 3 variables under action of semi-direct product of symmetric group S_3 and complementing group C(3,n).

%D I. Strazdins, On the number of types of l-adic functions (in Russian), Proc. Riga Polytech. Inst. 10, No. 1 (1963), 167-186.

%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. 296.

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

%K nonn

%O 2,1

%A _Vladeta Jovovic_, Aug 09 2000