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A304542
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
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1
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13, 61, 65, 328, 949, 2558, 9840, 40134, 152679, 664967, 2951738, 13071392, 59414978, 273459413, 1260677281, 5847470084, 27241813906, 127120417491, 594295647370, 2782806872482, 13042173524199, 61170545281951
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OFFSET
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1,1
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COMMENTS
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Column 6 of A304544.
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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..1..0..0..1..1. .0..1..1..1..1..1. .0..0..1..1..1..1. .0..0..0..0..0..0
..1..1..0..1..1..1. .1..1..1..1..1..1. .0..1..1..1..1..1. .0..0..0..0..0..1
..1..1..1..1..1..1. .1..1..1..1..1..1. .1..1..1..1..1..0. .0..0..0..0..1..1
..1..1..1..1..1..0. .1..1..1..1..1..1. .1..1..1..1..0..0. .1..0..0..0..0..0
..0..1..1..1..0..0. .1..1..1..1..1..0. .0..1..1..0..0..0. .1..1..0..0..0..1
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CROSSREFS
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Cf. A304544.
Sequence in context: A304853 A343538 A305250 * A228558 A316550 A244923
Adjacent sequences: A304539 A304540 A304541 * A304543 A304544 A304545
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, May 14 2018
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STATUS
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approved
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