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A251172 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements 1
923568, 447045247, 234762060017, 124211482822101, 65874570824121892, 34940908062684870572, 18536660798329970607776, 9833910431499303816191564, 5217057456434000396401673918, 2767734493596606347007396543726 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A251175

LINKS

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

EXAMPLE

Some solutions for n=1

..2..2..2..2..3..2....2..2..1..0..2..2....2..2..1..1..2..2....3..2..3..0..3..0

..0..2..2..1..3..2....0..2..1..2..3..2....0..2..1..3..3..2....0..3..2..3..1..3

CROSSREFS

Sequence in context: A156428 A251954 A098208 * A105011 A345613 A346330

Adjacent sequences:  A251169 A251170 A251171 * A251173 A251174 A251175

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2014

STATUS

approved

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Last modified August 13 22:39 EDT 2022. Contains 356109 sequences. (Running on oeis4.)