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!)
A205586 Number of (n+1)X5 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order 1

%I #5 Mar 31 2012 12:37:06

%S 2268,32500,541966,8952876,147377704,2444556894,40477518336,

%T 670667507098,11114946907896,184190072876610,3052516512565604,

%U 50588130338625662,838377567411023378,13894165181215493800,230263463379558919982

%N Number of (n+1)X5 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order

%C Column 4 of A205590

%H R. H. Hardin, <a href="/A205586/b205586.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..0..0..0..1..2....0..0..1..0..2....0..1..0..0..1....0..0..1..1..0

%e ..1..2..2..2..1....2..2..0..0..1....2..1..0..0..0....1..1..2..1..2

%e ..0..1..0..2..0....1..0..0..0..1....0..2..2..0..0....0..2..2..0..1

%e ..2..1..1..2..2....1..0..0..2..1....0..1..1..2..1....1..0..1..2..1

%e ..1..1..1..1..0....0..1..0..1..1....1..1..1..0..2....2..2..0..0..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 29 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 April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)