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A001150 Number of n-input 2-output switching networks with GL(n,2) acting on the input and S(2) and C(2,2) acting on the output.
(Formerly M2960 N1196)
0
3, 13, 146, 40422, 232328410830, 2110021709419835241732893678, 88336965390726143627393089434752334013039840509115817923869114 (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..7.

Index entries for sequences related to switching networks

CROSSREFS

Sequence in context: A054933 A130589 A041591 * A108554 A287029 A317074

Adjacent sequences:  A001147 A001148 A001149 * A001151 A001152 A001153

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 January 17 10:30 EST 2019. Contains 319218 sequences. (Running on oeis4.)