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A253800 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically 1
5525648, 275822532, 15314952024, 715315448772, 30656386352160, 1288757443440100, 52039375590860424, 2060018092869654572, 81182820780968440452, 3187607283556025809756, 124900984913086077532048 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A253801

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A227931 A254195 A254188 * A158760 A206117 A237973

Adjacent sequences:  A253797 A253798 A253799 * A253801 A253802 A253803

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2015

STATUS

approved

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Last modified October 31 05:06 EDT 2020. Contains 338098 sequences. (Running on oeis4.)