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A254456 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically 1
6440848, 289945200, 14531913928, 623402653056, 25559706957728, 1041397026476012, 41728495959588032, 1663022535691018136, 66242299786253394624, 2638365158866570322184, 105052207003477821889696 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254457
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..1..0..1..1..0....0..0..0..0..0..0..0..0..0
..0..0..1..1..0..1..0..0..0....1..1..0..0..0..0..1..0..1
..0..1..0..1..1..0..0..0..0....1..1..1..0..0..0..1..1..1
CROSSREFS
Sequence in context: A268843 A254174 A254167 * A254090 A254097 A209950
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 2015
STATUS
approved

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)