The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A075709 Upper irredundance number for kings graph K_n on n^2 nodes. 2

%I #5 Feb 27 2020 07:05:06

%S 1,1,4,4,9,9,16,17,25,27,36

%N Upper irredundance number for kings graph K_n on n^2 nodes.

%H Matthew D. Kearse and Peter B. Gibbons, <a href="http://ajc.maths.uq.edu.au/pdf/23/ocr-ajc-v23-p253.pdf">Computational Methods and New Results for Chessboard Problems</a>, Australasian Journal of Combinatorics 23 (2001), 253-284.

%H Matthew D. Kearse and Peter B. Gibbons, <a href="https://doi.org/10.1016/S0012-365X(01)00467-8">A new lower bound on upper irredundance in the queens' graph</a>, Discrete Math., 256 (2002), 225-242.

%Y Cf. A075692.

%K nonn,more

%O 1,3

%A Peter Gibbons (peter-g(AT)cs.auckland.ac.nz), Oct 13 2002

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 May 20 23:58 EDT 2024. Contains 372720 sequences. (Running on oeis4.)