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A251154 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements 1
24233, 2644832, 280327551, 29975340928, 3196108892595, 341101055365828, 36393433887011865, 3883324893446117053, 414354936286413663514, 44212525268613600120711, 4717554876109833507299846 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251158

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

..0..2..0..0..0....0..0..2..2..2....1..2..2..0..0....1..2..0..0..0

..0..0..0..0..1....1..2..2..0..2....1..1..1..1..0....0..0..0..1..2

CROSSREFS

Sequence in context: A321063 A309018 A253465 * A078870 A154069 A318630

Adjacent sequences:  A251151 A251152 A251153 * A251155 A251156 A251157

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2014

STATUS

approved

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Last modified May 21 00:36 EDT 2022. Contains 353886 sequences. (Running on oeis4.)