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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

REFERENCES

M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), p. 296.

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

LINKS

Table of n, a(n) for n=2..6.

CROSSREFS

Cf. A000616, A001321-A001324.

Sequence in context: A267493 A343455 A013902 * A123665 A180729 A119566

Adjacent sequences:  A056664 A056665 A056666 * A056668 A056669 A056670

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Aug 09 2000

STATUS

approved

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Last modified July 23 12:19 EDT 2021. Contains 346259 sequences. (Running on oeis4.)