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A251399 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements 1
9195809, 22875877611, 56631282128854, 140311657486510902, 347621346436641654516, 861234687688644770671972, 2133718605852583377537309624, 5286311814644085887392523805345 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A251402

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A172711 A187675 A205615 * A206599 A245746 A206098

Adjacent sequences:  A251396 A251397 A251398 * A251400 A251401 A251402

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2014

STATUS

approved

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Last modified April 7 15:56 EDT 2020. Contains 333306 sequences. (Running on oeis4.)