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A000859 Number of n-input 2-output switching networks under action of S(n) and complementing group C(2,2) on inputs and outputs.
(Formerly M2963 N1198)
0
3, 13, 308, 1476218, 600665577652576, 923075003521054806676605033098240, 22436153203535039156902835617555247833069649686831685624592283895635968 (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
CROSSREFS
Sequence in context: A132560 A128385 A100524 * A045748 A113526 A113612
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Aug 10 2011
STATUS
approved

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Last modified March 28 14:37 EDT 2024. Contains 371254 sequences. (Running on oeis4.)