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!)
A231944 Number of 5Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors 1

%I #4 Nov 15 2013 14:30:28

%S 1024,6064,2462572,518972238,86074040354,11290398059577,

%T 1706289443760818,289388986218874400,48236795314741664130,

%U 7638764413360834101786,1197465648559398650514577,191101530460746738505413380

%N Number of 5Xn 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors

%C Row 5 of A231940

%H R. H. Hardin, <a href="/A231944/b231944.txt">Table of n, a(n) for n = 1..69</a>

%e Some solutions for n=2

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

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

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

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

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

%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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 31 21:32 EDT 2023. Contains 363068 sequences. (Running on oeis4.)