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A254195 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
5525648, 211785820, 9808618856, 406615285408, 17244253826864, 721080846759928, 28902004996988096, 1143364451599833356, 45062796865100469144, 1768670629287223861148, 69299350917389199697948 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A254189

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..53

EXAMPLE

Some solutions for n=1

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A207825 A204802 A227931 * A254188 A253800 A158760

Adjacent sequences:  A254192 A254193 A254194 * A254196 A254197 A254198

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2015

STATUS

approved

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Last modified June 19 03:36 EDT 2021. Contains 345125 sequences. (Running on oeis4.)