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A206956 Number of nX7 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal 1
1465, 2146225, 1455935650, 950821989599, 656572043220119, 455424052435622710, 314368117565737962789, 216873306373656734739325, 149694579632520898257449851, 103334879849813837848577474301 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A206957

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..35

EXAMPLE

Some solutions for n=4

..1..1..1..0..0..1..2....1..2..2..0..1..2..2....0..2..2..1..1..2..2

..2..0..0..0..2..0..2....2..1..0..1..2..2..2....1..2..0..1..1..2..2

..2..0..1..1..0..0..2....2..1..1..1..0..2..2....1..0..1..2..0..1..2

..2..1..2..2..1..2..0....1..2..2..2..2..1..2....2..0..2..2..2..1..2

CROSSREFS

Sequence in context: A321010 A278368 A206862 * A207988 A207220 A045012

Adjacent sequences:  A206953 A206954 A206955 * A206957 A206958 A206959

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 13 2012

STATUS

approved

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Last modified August 19 10:09 EDT 2022. Contains 356228 sequences. (Running on oeis4.)