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!)
A259011 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
330684, 263417, 191035, 174655, 210946, 292814, 390714, 533771, 758616, 1186813, 1933322, 3197780, 5530284, 9922590, 17959560, 32374598, 58050493, 103106308, 180570323, 311315383, 528596275, 884088170, 1456631403, 2365347197 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A259006
LINKS
EXAMPLE
Some solutions for n=1
..1..0..0....1..0..1....0..1..0....1..1..0....0..0..0....1..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..1..0....0..0..0....0..0..0
..0..1..0....0..1..0....1..0..0....0..0..0....0..1..0....1..1..1....1..0..0
..1..1..0....1..0..0....0..1..1....1..0..0....0..1..1....0..1..0....1..0..0
..1..1..1....1..1..1....0..0..0....0..0..1....1..1..1....1..1..0....0..0..1
..0..1..1....1..1..1....1..1..1....1..0..0....1..1..0....1..1..1....1..1..0
..1..1..0....1..1..0....1..0..0....1..0..1....0..1..1....1..1..0....1..1..0
..1..0..1....1..0..1....1..1..1....1..1..1....1..1..1....0..0..0....1..1..1
CROSSREFS
Sequence in context: A299155 A282229 A236808 * A259004 A256902 A244044
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 16 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 24 14:09 EST 2024. Contains 370303 sequences. (Running on oeis4.)