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A188706
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T(n,k)=Number of nXk binary arrays without the pattern 0 0 diagonally or vertically
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13
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2, 4, 3, 8, 8, 5, 16, 21, 21, 8, 32, 55, 90, 49, 13, 64, 144, 387, 304, 120, 21, 128, 377, 1665, 1876, 1141, 288, 34, 256, 987, 7164, 11556, 10857, 4084, 697, 55, 512, 2584, 30825, 71152, 103484, 57665, 14925, 1681, 89, 1024, 6765, 132633, 438048, 986929
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OFFSET
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1,1
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COMMENTS
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Table starts
...2....4......8.......16.........32...........64............128
...3....8.....21.......55........144..........377............987
...5...21.....90......387.......1665.........7164..........30825
...8...49....304.....1876......11556........71152.........438048
..13..120...1141....10857.....103484.......986929........9413801
..21..288...4084....57665.....813309.....11462588......161506225
..34..697..14925...318732....6814290....145764780.....3118943536
..55.1681..54049..1729531...55337580...1769780565....56585607231
..89.4060.196508..9464035..456131965..21988745988..1060220669261
.144.9800.713225.51591068.3733374889.270110390804.19540000913840
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LINKS
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EXAMPLE
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Some solutions for 5X3
..1..1..0....1..0..0....1..0..0....1..1..1....0..1..1....1..1..1....1..0..0
..1..0..1....1..1..1....1..1..1....0..0..1....1..1..1....1..1..1....1..1..1
..0..1..1....0..1..1....1..0..0....1..1..1....1..1..0....1..0..1....1..0..1
..1..1..0....1..1..0....0..1..1....1..1..1....0..1..1....1..1..1....1..1..1
..0..0..1....0..1..1....1..1..1....1..1..1....1..1..1....0..1..0....1..1..0
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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