login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A254817 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically 1
833037, 13380696, 247721056, 4043573364, 59733054453, 913402797416, 12435035618491, 165816689112144, 2098552515955862, 25618296020002435, 301662634451212203, 3450835615101777070, 38441736014237132949 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A254819

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..76

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A256769 A254510 A254517 * A305827 A113150 A015390

Adjacent sequences: A254814 A254815 A254816 * A254818 A254819 A254820

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 08 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 December 1 18:55 EST 2022. Contains 358475 sequences. (Running on oeis4.)