login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A254184 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
14096, 142088, 1465824, 13994248, 124599008, 1106508576, 9808618856, 86680216604, 765784579880, 6764564938736, 59745517943408, 527662774503372, 4660192335981456, 41157348400679812, 363487669599557324 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A254189

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A140708 A218816 A254191 * A253796 A237153 A066698

Adjacent sequences:  A254181 A254182 A254183 * A254185 A254186 A254187

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 14 09:22 EDT 2020. Contains 335720 sequences. (Running on oeis4.)