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A235516 Number of (n+1)X(7+1) 0..1 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1
33753, 4277473, 531586422, 65064307612, 7934494535832, 964746982342868, 117208716833338232, 14232105593380075638, 1727857096266577904505, 209750680614123833247181, 25461583519328834289597108 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A235517

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A234187 A209827 A235735 * A204949 A268909 A243467

Adjacent sequences:  A235513 A235514 A235515 * A235517 A235518 A235519

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 11 2014

STATUS

approved

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