A254188 - OEIS

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

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

R. H. Hardin, Table of n, a(n) for n = 1..28

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

Adjacent sequences: A254185 A254186 A254187 * A254189 A254190 A254191

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2015

STATUS

approved