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!)
A254188 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
5525648, 230428580, 11395878672, 477924371968, 18450312599200, 735146793744412, 28902004996988096, 1128763396455440956, 44213562599500627880, 1731574060906867455796, 67770623085605083521276 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254189
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..1..1..1
..1..0..0..0..0..1..1..1..0....1..0..0..1..0..1..0..0..0
..1..1..0..0..1..1..1..0..1....1..1..0..1..0..1..1..1..1
CROSSREFS
Sequence in context: A204802 A227931 A254195 * A253800 A158760 A206117
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 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 May 8 11:54 EDT 2024. Contains 372332 sequences. (Running on oeis4.)