login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A231141 Number of (n+1)X(4+1) 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with upper left element zero 1

%I

%S 3234,352444,40511376,4626094668,529060553286,60486059723578,

%T 6915679126693682,790693817413947310,90403047889512253846,

%U 10336120322546564030386,1181767628801322383349824

%N Number of (n+1)X(4+1) 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with upper left element zero

%C Column 4 of A231144

%H R. H. Hardin, <a href="/A231141/b231141.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 04 2013

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 28 03:58 EDT 2021. Contains 348313 sequences. (Running on oeis4.)