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A202888 Number of nX7 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor. 1
292, 701275, 922352267, 1137589582096, 1452080571954205, 1855037301620277541, 2365289879500027706428, 3016217753359820252116493, 3846628606342304091797101743, 4905606162973199116333144693744 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=2
..0..0..0..1..1..0..2....0..1..1..2..1..1..0....0..0..2..2..0..2..2
..0..1..1..0..1..2..2....0..0..0..2..0..1..0....0..1..2..2..0..1..2
CROSSREFS
Column 7 of A202889.
Sequence in context: A098249 A190925 A232280 * A217181 A155140 A248210
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 25 2011
STATUS
approved

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Last modified April 16 00:27 EDT 2024. Contains 371696 sequences. (Running on oeis4.)