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A251799 Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01 1
905440, 195753488, 43510308650, 10280556043804, 2466029519190492, 596244004665414586, 144607697103715449366, 35128978291327271678332, 8539742853066868800341654, 2076797685218066186814306236 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251801

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A104847 A251520 A250542 * A348078 A348101 A179735

Adjacent sequences:  A251796 A251797 A251798 * A251800 A251801 A251802

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 09 2014

STATUS

approved

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Last modified May 28 07:30 EDT 2022. Contains 354112 sequences. (Running on oeis4.)