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!)
A185988 1/128 the number of (n+2)X6 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 1

%I #5 Mar 31 2012 12:36:04

%S 200,6036,126739,2854756,64582504,1458949494,32992227496,746010901791,

%T 16868015727070,381403214731604,8623967236516536,194997737446961630,

%U 4409121678267544114,99695269869992119527,2254223823580432667299

%N 1/128 the number of (n+2)X6 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace

%C Column 4 of A185993

%H R. H. Hardin, <a href="/A185988/b185988.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 4X6

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 08 2011

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 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)