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A235546 Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise 1
2482, 67012, 2704866, 108503097, 4902247081, 201871410288, 8016394678681, 287100634818875, 9572600813928528, 292347234944189647, 8326284312075078340, 220860814041431786923, 5514568035476081775900, 129951008690062970506012 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A235548

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A260766 A003917 A235763 * A214477 A181258 A258442

Adjacent sequences:  A235543 A235544 A235545 * A235547 A235548 A235549

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 2014

STATUS

approved

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Last modified May 17 17:06 EDT 2022. Contains 353747 sequences. (Running on oeis4.)