A000886 - OEIS

A000886

Number of switching networks with S(n,2) acting on the domain and AG(2,2) acting on the range where S(n,k) is the symmetric group acting on k variables.
(Formerly M2012 N0795)

2, 11, 590, 7644658, 6406102803167154, 19692266672998575394929289976513119, 957275870017495002938079709038262383344122314736541166025242955633607263

(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. (Preprint available at http://hdl.handle.net/2027.42/5406/.)

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: A012979 A013109 A120934 * A128855 A262547 A206846

Adjacent sequences: A000883 A000884 A000885 * A000887 A000888 A000889

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Sean A. Irvine, Jan 26 2012

Name corrected by Sean A. Irvine, Feb 01 2025

STATUS

approved