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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A197440 Number of nX6 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors 1

%I #5 Mar 31 2012 12:36:29

%S 164,89528,37989740,15068331840,6117749044788,2476133354164264,

%T 1002605692717130692,405955156856554399238,164371431760256700590038,

%U 66554100814528841770905242,26947801511575118488851200530

%N Number of nX6 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors

%C Column 6 of A197442

%H R. H. Hardin, <a href="/A197440/b197440.txt">Table of n, a(n) for n = 1..59</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 15 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.

Last modified September 21 15:36 EDT 2023. Contains 365502 sequences. (Running on oeis4.)