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A000847 Number of n-input 2-output switching networks under action of GL(n,2) on the inputs and complementing group C(2,2) on the outputs.
(Formerly M3572 N1448)
6
4, 20, 264, 80104, 464655217384, 4220043418839499735652372200, 176673930781452287254786178869471177643231519559311590043612856 (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
Cf. A000848.
Sequence in context: A034235 A352412 A222655 * A188810 A120443 A053400
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Vladeta Jovovic, Feb 26 2000
STATUS
approved

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Last modified July 22 07:42 EDT 2024. Contains 374481 sequences. (Running on oeis4.)