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A235429 Number of (n+1)X(4+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1
344668, 119751976, 44578500538, 15581843596522, 5142104597554476, 1550644780068851532, 431426810362366766936, 111040229583937964889604, 26705433450948373665368290, 6045470974183011960362970648 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A235430

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..23

EXAMPLE

Some.solutions.for.n=1

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

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

CROSSREFS

Sequence in context: A235505 A235668 A235664 * A015321 A205420 A230717

Adjacent sequences:  A235426 A235427 A235428 * A235430 A235431 A235432

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 10 2014

STATUS

approved

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Last modified October 24 19:02 EDT 2020. Contains 338009 sequences. (Running on oeis4.)