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!)
A231943 Number of 4Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors 1

%I

%S 256,1328,152180,11159202,691418144,35573826030,2011419734476,

%T 124582053082101,7653265481401592,452142751713371321,

%U 26462994900702111962,1569385399161912987654,93821782986385180580504

%N Number of 4Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors

%C Row 4 of A231940

%H R. H. Hardin, <a href="/A231943/b231943.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..3..0....3..1....1..3....0..0....0..0....0..0....2..0....1..1....0..0....0..0

%e ..0..0....1..3....0..0....0..0....0..3....0..1....0..2....2..2....0..0....0..0

%e ..0..0....2..1....0..0....1..1....2..0....2..0....3..0....3..3....1..1....0..3

%e ..0..3....1..2....3..2....3..3....0..0....0..1....0..2....3..3....1..3....1..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 15 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 January 26 14:30 EST 2021. Contains 340439 sequences. (Running on oeis4.)