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A317213
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Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 272, 2800, 76951, 1987026, 53479785, 1441577878, 39018757534, 1057115569193, 28657560496965, 777057625622689, 21072505461542979, 571478563333369291, 15498629347798361008, 420330581884029825365, 11399627217541998213235
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OFFSET
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1,2
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COMMENTS
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Column 6 of A317215.
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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..1..0..0..1. .0..1..1..0..1..0. .0..0..1..1..1..1. .0..1..0..0..0..1
..0..1..1..0..0..1. .0..1..0..0..0..1. .0..0..1..0..0..0. .0..1..0..0..0..1
..0..0..1..0..0..1. .0..0..1..0..1..0. .0..0..0..1..0..1. .0..0..0..0..0..1
..1..1..0..1..1..1. .0..1..1..0..1..1. .0..0..1..0..1..1. .0..1..1..1..0..0
..0..0..1..0..1..0. .1..0..0..1..0..0. .1..1..1..0..0..0. .1..0..1..0..1..1
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CROSSREFS
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Cf. A317215.
Sequence in context: A316242 A230908 A305952 * A178268 A205345 A302899
Adjacent sequences: A317210 A317211 A317212 * A317214 A317215 A317216
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jul 23 2018
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STATUS
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approved
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