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A235659 Number of (n+1)X(7+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
11520, 550175, 29920256, 1760232169, 111788667635, 7311691586871, 476303656695622, 30073558582073391, 1816505165495056102, 104267586694590459778, 5682110684004293239334, 294299778211572282608127 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A235660
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..1..0..1..0..1....1..1..0..1..0..1..0..0....0..0..0..0..0..1..0..1
..1..1..1..0..1..1..1..1....1..1..1..0..1..1..1..1....0..1..0..1..1..0..1..1
CROSSREFS
Sequence in context: A251879 A201048 A236522 * A258564 A258561 A362216
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2014
STATUS
approved

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Last modified April 13 08:31 EDT 2024. Contains 371638 sequences. (Running on oeis4.)