login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A000820 Number of switching networks under action of AG_n(Z_2).
(Formerly M4698 N2007)
0

%I M4698 N2007 #21 Dec 19 2021 11:20:00

%S 10,35,271,29821,58561146596,263752834000960467258171320,

%T 5521060336920386371390128802363265964201729623531400218908632

%N Number of switching networks under action of AG_n(Z_2).

%C See Harrison reference for precise definition.

%C Next term has 133 digits. - _Sean A. Irvine_, Jan 20 2012

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

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

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

%H <a href="/index/Sw#switching">Index entries for sequences related to switching networks</a>

%K nonn

%O 1,1

%A _N. J. A. Sloane_

%E More terms from _Sean A. Irvine_, Jan 19 2012

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)