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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) 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 A339025 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 August 18 07:06 EDT 2024. Contains 375255 sequences. (Running on oeis4.)