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A181217
T(n,k)=Number of nXk binary matrices with no three 1's adjacent in a line diagonally or antidiagonally
5
2, 4, 4, 8, 16, 8, 16, 64, 64, 16, 32, 256, 400, 256, 32, 64, 1024, 2500, 2500, 1024, 64, 128, 4096, 16100, 28561, 16100, 4096, 128, 256, 16384, 103684, 337561, 337561, 103684, 16384, 256, 512, 65536, 665252, 3857296, 7133488, 3857296, 665252, 65536
OFFSET
1,1
COMMENTS
Table starts
....2.......4.........8..........16.............32...............64
....4......16........64.........256...........1024.............4096
....8......64.......400........2500..........16100...........103684
...16.....256......2500.......28561.........337561..........3857296
...32....1024.....16100......337561........7133488........144192064
...64....4096....103684.....3857296......144192064.......5037592576
..128...16384....665252....44408896.....2970419984.....180842665536
..256...65536...4268356...512750736....61244865529....6495402737664
..512..262144..27399292..5909458129..1259243459640..232194205926400
.1024.1048576.175880644.68121522001.25918851195136.8315656953170176
LINKS
EXAMPLE
Some avoided solutions for 3X3
..0..0..1....1..0..0....0..0..1....0..1..1....1..0..1....1..0..0....0..0..1
..1..1..0....0..1..0....0..1..1....0..1..0....0..1..0....0..1..1....0..1..0
..1..0..0....1..0..1....1..0..0....1..0..0....1..0..0....0..0..1....1..0..1
CROSSREFS
Sequence in context: A228986 A188910 A189111 * A223569 A227594 A321241
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 10 2010
STATUS
approved