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!)
A253759 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically 1

%I #4 Jan 11 2015 11:34:13

%S 16544,164120,1622944,17235224,180950650,1922908527,20282915690,

%T 216402125933,2292854326904,24407331180384,258796873673582,

%U 2751342510060708,29187841277691838,310070475580666952

%N Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically

%C Column 3 of A253764

%H R. H. Hardin, <a href="/A253759/b253759.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 11 2015

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 24 10:53 EDT 2024. Contains 371936 sequences. (Running on oeis4.)