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A186531 Number of (n+1)X5 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant 1
28522, 2004390, 150041994, 11180777496, 819481009820, 60763226187367, 4470558553054728, 330651060182605074, 24366494030348841656, 1800209299030291069455, 132764213014156819442034 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A186536
LINKS
EXAMPLE
Some solutions for 3X5
..0..0..1..1..1....0..0..1..1..2....0..1..2..1..0....0..0..2..2..1
..0..2..2..2..1....0..1..1..2..2....0..2..0..2..1....0..1..0..1..0
..1..1..2..1..2....2..0..0..2..0....1..2..2..2..2....1..0..1..0..2
CROSSREFS
Sequence in context: A231417 A145683 A205890 * A253837 A253844 A253931
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2011
STATUS
approved

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Last modified February 26 07:39 EST 2024. Contains 370335 sequences. (Running on oeis4.)