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A000869 Number of switching networks (see Harrison reference for precise definition).
(Formerly M3620 N1470)
+0
1
4, 27, 14056, 104751025086 (list; graph; listen)
OFFSET

1,1

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

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

LINKS

Index entries for sequences related to switching networks

CROSSREFS

Sequence in context: A132641 A008973 A132646 this_sequence A132640 A038706 A153431

Adjacent sequences: A000866 A000867 A000868 this_sequence A000870 A000871 A000872

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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