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A000872 Number of switching networks with S(n) acting on the domain and GL(3,2) acting on the range.
(Formerly M4002 N1658)
0
5, 46, 19930, 69945183326, 3929970742021874526325166, 51894028897048737452225300581594776441516899880213358 (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..6.

Index entries for sequences related to switching networks

CROSSREFS

Sequence in context: A036246 A183240 A299715 * A307406 A060392 A196160

Adjacent sequences:  A000869 A000870 A000871 * A000873 A000874 A000875

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Sean A. Irvine, Jan 25 2012

STATUS

approved

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Last modified July 29 09:31 EDT 2021. Contains 346344 sequences. (Running on oeis4.)