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A206899 Number of nX7 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal 1
14124, 199487376, 1991325229362, 20501676381643219, 208677027839980986946, 2129766555218823044199240, 21727183867324671091396681434, 221684539089233520949913971903568, 2261818950700857231940469275086574640 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A206900
LINKS
EXAMPLE
Some solutions for n=4
..2..3..2..0..1..3..1....2..1..2..0..0..1..3....1..3..2..0..0..0..0
..1..1..0..2..1..3..3....0..0..1..3..0..2..0....1..0..1..3..3..3..2
..1..2..0..2..2..1..2....3..0..2..0..3..1..1....3..0..3..0..2..0..2
..0..0..1..0..2..2..0....2..0..2..0..1..0..3....2..3..0..0..0..3..2
CROSSREFS
Sequence in context: A215019 A206845 A206837 * A207289 A249192 A204282
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 13 2012
STATUS
approved

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Last modified June 13 15:00 EDT 2024. Contains 373389 sequences. (Running on oeis4.)