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A204084
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T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1
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8
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0, 0, 0, 0, 4, 0, 0, 4, 4, 0, 0, 16, 132, 16, 0, 0, 100, 256, 256, 100, 0, 0, 324, 5260, 11236, 5260, 324, 0, 0, 1296, 37636, 107584, 107584, 37636, 1296, 0, 0, 5476, 321696, 3904576, 13346532, 3904576, 321696, 5476, 0, 0, 21316, 2951524, 76212900
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OFFSET
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1,5
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COMMENTS
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Table starts
.0....0.......0..........0.............0................0...................0
.0....4.......4.........16...........100..............324................1296
.0....4.....132........256..........5260............37636..............321696
.0...16.....256......11236........107584..........3904576............76212900
.0..100....5260.....107584......13346532........553472676.........35085052464
.0..324...37636....3904576.....553472676......94591923364......11178644528704
.0.1296..321696...76212900...35085052464...11178644528704....4337212764978412
.0.5476.2951524.1650959424.1978079099364.1741263873230116.1498281295226032144
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LINKS
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EXAMPLE
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Some solutions for n=5 k=3
..2..1..0....0..0..0....3..0..0....3..0..0....2..0..0....3..0..0....1..0..0
..0..1..0....1..1..1....1..1..1....1..1..1....1..1..1....1..1..1....1..2..1
..0..1..3....0..2..2....0..2..1....0..1..0....0..1..3....0..1..1....0..0..1
..0..0..0....0..0..0....0..0..0....0..0..0....0..1..0....0..1..0....1..0..1
..1..1..1....1..1..1....1..1..2....1..1..1....0..1..0....0..1..0....1..0..1
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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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