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A001152 Number of n-input 3-output switching networks with GL(n,2) acting on the input and S(3) and C(2,3) acting on the output.
(Formerly M3668 N1494)
0
4, 36, 3178, 298908192, 165073828103027338592, 6487168790978377311010208151738379048817328948 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

M. A. Harrison, On the number of classes of switching networks, J. Franklin Instit., 276 (1963), 313-327.

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..6.

Index entries for sequences related to switching networks

CROSSREFS

Sequence in context: A174864 A175493 A179870 * A218515 A296136 A061024

Adjacent sequences:  A001149 A001150 A001151 * A001153 A001154 A001155

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Sean A. Irvine, Mar 08 2012

STATUS

approved

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Last modified August 7 08:08 EDT 2020. Contains 336274 sequences. (Running on oeis4.)