login
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
OFFSET
1,1
COMMENTS
Column 7 of A206957
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 13 2012
STATUS
approved