login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A253875 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
679936, 22729728, 659280384, 21171373312, 633276761856, 19381023491328, 581987474157824, 17640142578810112, 530644131228185344, 16023590047012816640, 482351461157032408320, 14544364488944493678848 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A253871

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

..0..0..0....0..0..1....0..0..0....0..0..1....0..0..1....0..0..1....0..0..0

..0..0..0....1..0..0....0..0..1....1..0..1....1..0..0....1..0..0....0..0..0

..1..1..1....0..0..0....0..1..0....0..0..1....0..0..1....1..1..0....0..1..0

..1..0..1....1..0..1....1..1..0....0..1..0....1..0..0....0..0..0....0..0..0

..1..1..1....1..0..1....1..1..1....0..1..0....0..0..1....1..1..1....1..1..1

..0..1..1....1..1..1....1..1..0....0..1..0....0..0..0....0..1..0....0..0..0

..0..1..1....0..1..0....0..0..1....1..0..0....0..1..1....0..1..0....1..0..1

CROSSREFS

Sequence in context: A119404 A014886 A253868 * A253541 A010095 A203713

Adjacent sequences:  A253872 A253873 A253874 * A253876 A253877 A253878

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2015

STATUS

approved

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 June 16 14:56 EDT 2019. Contains 324152 sequences. (Running on oeis4.)