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A207845
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 1 1 vertically
12
2, 4, 4, 6, 16, 6, 10, 36, 36, 10, 16, 100, 72, 100, 16, 26, 256, 180, 240, 256, 26, 42, 676, 432, 780, 704, 676, 42, 68, 1764, 1044, 2320, 2816, 2080, 1764, 68, 110, 4624, 2520, 7140, 10144, 9672, 6216, 4624, 110, 178, 12100, 6084, 21600, 38208, 41444, 35952
OFFSET
1,1
COMMENTS
Table starts
..2....4.....6.....10.....16......26.......42........68........110.........178
..4...16....36....100....256.....676.....1764......4624......12100.......31684
..6...36....72....180....432....1044.....2520......6084......14688.......35460
.10..100...240....780...2320....7140....21600.....65980.....200400......610740
.16..256...704...2816..10144...38208...140032....524480....1928000.....7206080
.26..676..2080...9672..41444..181896...794768...3479268...15223104....66632488
.42.1764..6216..35952.185136.1006572..5346600..28935984..154692048...835671396
.68.4624.18496.130152.813824.5427216.35345040.235865752.1547212432.10330674512
LINKS
EXAMPLE
Some solutions for n=4 k=3
..1..0..0....1..1..1....1..1..1....1..0..1....1..0..1....1..1..1....1..0..1
..0..1..1....1..0..1....1..0..1....0..1..0....1..0..1....1..0..1....1..0..0
..0..1..0....0..1..0....0..1..0....1..0..0....0..1..0....0..1..0....0..1..1
..1..0..1....0..1..1....1..1..1....0..1..1....1..0..0....0..1..0....0..1..0
CROSSREFS
Column 1 is A006355(n+2)
Column 2 is A206981
Row 1 is A006355(n+2)
Row 2 is A206981
Sequence in context: A208078 A208780 A206987 * A207808 A002086 A039830
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 21 2012
STATUS
approved