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A235658 Number of (n+1)X(6+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise 1
4020, 126926, 4396769, 156257766, 5711803299, 206989047143, 7311691586871, 247906183652487, 8030471581876202, 248047390200685191, 7319420147397701790, 206847552062839909853, 5617674845867098061580, 147109594075869595741997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A235660

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..97

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A099229 A205889 A236521 * A186530 A124728 A251098

Adjacent sequences:  A235655 A235656 A235657 * A235659 A235660 A235661

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2014

STATUS

approved

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Last modified April 13 01:36 EDT 2021. Contains 342934 sequences. (Running on oeis4.)