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A235448 Number of (n+1)X(7+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1
33544, 4219322, 519099694, 63315473350, 7699719982722, 935263088301396, 113555975474406500, 13785363846787350466, 1673407961412976159218, 203131147623014349473962, 24657443308255446422188572 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A235449

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..77

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A206220 A069303 A235678 * A236197 A217565 A142587

Adjacent sequences:  A235445 A235446 A235447 * A235449 A235450 A235451

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 10 2014

STATUS

approved

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Last modified June 18 19:52 EDT 2021. Contains 345120 sequences. (Running on oeis4.)