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A184501 1/12 the number of (n+2)X5 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last 1
6132, 17077, 50590, 161097, 579771, 2185733, 8600335, 36366658, 156863626, 689415818, 3168631633, 14630695130, 67976252871, 325283270950, 1553794150160, 7427099657330, 36244496322073, 176177225797658, 855011742964725 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A184505
LINKS
EXAMPLE
Some solutions with a(1,1)=0 for 4X5
..0..0..1..0..0....0..0..2..2..0....0..0..0..1..1....0..0..0..0..0
..1..2..0..0..0....0..0..2..2..0....0..1..1..1..2....2..0..2..2..1
..0..0..1..1..2....1..2..0..1..2....1..2..0..1..0....2..1..0..2..0
..1..0..0..1..0....0..2..0..2..2....1..0..1..0..1....0..2..2..0..2
CROSSREFS
Sequence in context: A204368 A114131 A144491 * A205833 A152388 A251787
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 16 2011
STATUS
approved

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)