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A303967
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 3 or 5 king-move adjacent elements, with upper left element zero.
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1
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13, 105, 101, 374, 1014, 2597, 6264, 16205, 40375, 105045, 275549, 708306, 1813784, 4676889, 12006087, 30873413, 79642801, 205060029, 527458705, 1358058709, 3495384673, 8994704208, 23156730671, 59612144961, 153429505829, 394939734350
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OFFSET
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1,1
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COMMENTS
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Column 6 of A303969.
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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EXAMPLE
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Some solutions for n=5
..0..0..1..0..0..0. .0..1..0..0..0..0. .0..0..0..1..0..0. .0..1..0..0..1..0
..0..0..0..0..0..0. .0..0..0..0..0..1. .0..0..0..0..0..0. .0..0..0..0..0..0
..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0
..0..0..0..0..0..0. .1..0..0..0..0..0. .1..0..0..0..0..1. .1..0..0..0..0..1
..1..0..0..0..1..0. .1..1..0..0..1..0. .1..1..0..0..0..0. .0..0..0..0..1..1
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CROSSREFS
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Cf. A303969.
Sequence in context: A022641 A000590 A052065 * A304929 A041316 A304667
Adjacent sequences: A303964 A303965 A303966 * A303968 A303969 A303970
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, May 03 2018
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STATUS
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approved
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