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!)
A362575 Number of vertex cuts in the n X n rook graph. 2

%I #11 Apr 30 2023 23:16:28

%S 0,2,114,9602,2103570,1465969442,3767396928834,38267690721261122,

%T 1543992652549401346770,246181774152151716764436962,

%U 154911195038079578918382192282114,384894219829087015520536416987293088002,3779926606713983438336679626484814602924257490

%N Number of vertex cuts in the n X n rook graph.

%H Andrew Howroyd, <a href="/A362575/b362575.txt">Table of n, a(n) for n = 1..50</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/RookGraph.html">Rook Graph</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/VertexCut.html">Vertex Cut</a>

%F a(n) = 2^(n^2) - 1 - A286189(n). - _Andrew Howroyd_, Apr 30 2023

%Y Cf. A286189, A362576.

%K nonn

%O 1,2

%A _Eric W. Weisstein_, Apr 25 2023

%E Terms a(6) and beyond from _Andrew Howroyd_, Apr 30 2023

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 19 20:30 EDT 2024. Contains 372703 sequences. (Running on oeis4.)