A258907 - OEIS

A258907

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

222400, 2769733, 38603552, 575237942, 7595409032, 100897843080, 1346660412346, 17454653713101, 223846686963782, 2858012169444371, 36159776071554608, 454113088232552260, 5676914901521924668, 70633319216173436747

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A258910

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..78

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A258910

Sequence in context: A083640 A253990 A253997 * A253739 A274809 A180949

Adjacent sequences: A258904 A258905 A258906 * A258908 A258909 A258910

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 14 2015

STATUS

approved