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A000827 Number of switching networks (see Harrison reference for precise definition).
(Formerly M5101 N2209)
+0
1
20, 484, 497760, 1957701217328 (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: A049382 A065412 A159753 this_sequence A118552 A092087 A008270

Adjacent sequences: A000824 A000825 A000826 this_sequence A000828 A000829 A000830

KEYWORD

nonn

AUTHOR

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

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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