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A254194 Number of (6+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
1303600, 35265504, 1106508576, 32048165156, 934751059040, 26662412680392, 735146793744412, 20003368582568408, 541670099223862056, 14616896079218255408, 393866197249085651788, 10608331166292449260808 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A254189

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..120

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A053081 A053084 A204537 * A254187 A253799 A186138

Adjacent sequences:  A254191 A254192 A254193 * A254195 A254196 A254197

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2015

STATUS

approved

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Last modified June 14 15:36 EDT 2021. Contains 345025 sequences. (Running on oeis4.)