A253990 - OEIS

A253990

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

222400, 1738927, 20022358, 266574705, 3087530706, 36681094867, 455476058266, 5538766707221, 66868897093260, 812308062543539, 9847366103106772, 118942948531964411, 1436178214824110766, 17324233975744277560

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OFFSET

1,1

COMMENTS

Column 5 of A253993

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A373466 A046396 A083640 * A253997 A258907 A253739

Adjacent sequences: A253987 A253988 A253989 * A253991 A253992 A253993

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 21 2015

STATUS

approved