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A056667
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).
0
22, 47093135946, 886151997189981695113820646176823296, 3134651602192766687916630765925989003578700185329945310286348103545655409509684765625, 929105607753267830402847266093582872945009794334454648424476250883505063045211468786079180624616064970104635594329005644118117051244756456544404209339748566921547776
OFFSET
2,1
REFERENCES
I. Strazdins, On the number of types of l-adic functions (in Russian), Proc. Riga Polytech. Inst. 10, No. 1 (1963), 167-186.
LINKS
M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), 277-299. See p. 296.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladeta Jovovic, Aug 09 2000
STATUS
approved