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A235734 Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1
9476, 659235, 45143913, 3054397001, 206338701948, 13917264768542, 938576320212723, 63284897779329856, 4267061431114208101, 287704678019988657956, 19398390104285918553851, 1307925525422444080438597 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A235736

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A252704 A202099 A209854 * A235515 A161726 A110076

Adjacent sequences:  A235731 A235732 A235733 * A235735 A235736 A235737

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2014

STATUS

approved

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Last modified June 28 04:00 EDT 2022. Contains 354903 sequences. (Running on oeis4.)