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A254893 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically 1
1267488, 5009638, 23589212, 141957783, 285887828, 758297009, 1890553676, 3588219247, 7194007206, 14018941983, 25650259374, 47390891398, 85725467588, 150529271707, 264769335646, 459746495818, 788665513302, 1356184575677 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A254894

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..114

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A081430 A254026 A254019 * A232203 A147670 A204397

Adjacent sequences:  A254890 A254891 A254892 * A254894 A254895 A254896

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 10 2015

STATUS

approved

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Last modified August 14 13:43 EDT 2022. Contains 356117 sequences. (Running on oeis4.)