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A001327 Number of equivalence classes of 3-valued Post functions of n variables under action of semi-direct product of symmetric groups S_n and S(n,3).
(Formerly M4753 N2034)
0
10, 438, 5893028544, 14256252837121596073801515513052992, 93438831539310011791528496426891259121775442805243046889607091562337477169707144501052634950477913975318905688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..5.

M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), 277-299.

CROSSREFS

Sequence in context: A126154 A199835 A350565 * A288325 A222665 A177391

Adjacent sequences:  A001324 A001325 A001326 * A001328 A001329 A001330

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Sean A. Irvine, Oct 08 2015

STATUS

approved

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Last modified May 17 08:05 EDT 2022. Contains 353741 sequences. (Running on oeis4.)