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!)
A232132 Number of (n+1)X(3+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order 1

%I #4 Nov 19 2013 08:06:39

%S 200,10956,602468,33162868,1825568436,100495188564,5532131001812,

%T 304536704087316,16764354299718484,922856165828434964,

%U 50802046269213120468,2796587378080211658132,153948542186521174138196

%N Number of (n+1)X(3+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order

%C Column 3 of A232137

%H R. H. Hardin, <a href="/A232132/b232132.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 65*a(n-1) -588*a(n-2) +2304*a(n-3) -5156*a(n-4) +7136*a(n-5) -5632*a(n-6) +2048*a(n-7) -256*a(n-8)

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 19 2013

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 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)