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A209829 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order 9
8, 41, 41, 218, 425, 218, 1169, 4418, 4418, 1169, 6278, 46034, 90000, 46034, 6278, 33725, 479693, 1842509, 1842509, 479693, 33725, 181178, 4998707, 37744836, 74564193, 37744836, 4998707, 181178, 973337, 52089776, 773359089, 3025299170 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......8........41..........218............1169...............6278
.....41.......425.........4418...........46034.............479693
....218......4418........90000.........1842509...........37744836
...1169.....46034......1842509........74564193.........3025299170
...6278....479693.....37744836......3025299170.......243825684732
..33725...4998707....773359089....122849339000.....19693265761805
.181178..52089776..15846003427...4989831357191...1591829337311006
.973337.542809448.324684577671.202690028329573.128707386720462708
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..0..1..0....0..0..0..0....0..0..1..1....0..1..0..2....0..1..1..0
..0..1..1..1....0..0..0..0....2..0..1..1....1..0..0..2....0..0..0..0
..0..0..1..2....1..0..0..1....2..0..1..0....1..0..2..0....0..0..1..1
..2..0..1..1....0..0..0..0....0..0..0..1....0..0..0..0....0..0..1..0
..2..0..0..1....2..0..1..0....2..2..0..0....2..0..0..0....2..0..0..1
CROSSREFS
Sequence in context: A343868 A350125 A096969 * A209848 A093104 A120646
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 13 2012
STATUS
approved

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Last modified July 20 04:43 EDT 2024. Contains 374441 sequences. (Running on oeis4.)