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A185573 Number of (n+1)X3 0..3 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum 1
3392, 125664, 4649320, 173985944, 6508370600, 243047375432, 9075956889192, 339043219347960, 12665293283911784, 473089808175134024, 17671406269801247592, 660095110422452092856, 24657097179457297605704 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A185575
LINKS
EXAMPLE
Some solutions for 5X3
..0..0..0....0..2..0....0..0..0....2..0..2....2..0..2....2..2..2....2..0..2
..0..0..2....0..2..3....0..0..1....0..2..2....0..2..2....2..0..0....0..0..1
..0..2..2....2..2..2....0..2..0....2..2..2....0..0..0....0..0..0....2..2..2
..3..2..3....0..0..2....0..2..3....2..2..3....3..0..2....3..0..2....2..2..0
..1..2..3....3..3..3....2..1..0....2..0..3....3..1..2....3..3..3....3..3..3
CROSSREFS
Sequence in context: A043671 A262176 A172788 * A185926 A221009 A226667
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 31 2011
STATUS
approved

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)