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A235733 Number of (n+1)X(5+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1
2660, 102683, 3906424, 146785037, 5507798734, 206338701948, 7729359642112, 289479683332559, 10841634018438254, 406031478000180997, 15206389099680101773, 569496214098940360752, 21328285621717396456336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235736

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A225023 A251162 A217440 * A235514 A197108 A224685

Adjacent sequences:  A235730 A235731 A235732 * A235734 A235735 A235736

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2014

STATUS

approved

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Last modified May 20 03:37 EDT 2022. Contains 353851 sequences. (Running on oeis4.)