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A299573
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Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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8, 99, 265, 2604, 15186, 98466, 784334, 5286269, 38000347, 284230090, 2051573350, 14950291108, 109832491470, 803426382382, 5878134712447, 43048043062611, 315285104003507, 2308919465099361, 16907767561351784, 123830707564196302
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OFFSET
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1,1
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COMMENTS
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Column 7 of A299574.
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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=6
..0..0..0..0..0..0..1. .0..0..1..1..1..0..0. .0..1..0..0..0..1..1
..1..0..0..0..0..1..1. .1..1..0..0..0..1..1. .1..0..1..1..1..0..0
..0..1..1..1..1..1..1. .0..0..0..0..0..0..0. .1..0..0..0..0..0..1
..0..1..1..1..0..1..0. .1..0..0..0..0..0..1. .0..1..0..0..0..1..0
..0..1..1..1..1..0..1. .0..1..1..1..1..1..0. .1..0..0..0..0..0..1
..1..0..0..0..0..1..0. .1..0..1..1..1..1..1. .0..1..1..1..1..0..1
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CROSSREFS
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Cf. A299574.
Sequence in context: A297958 A298774 A298581 * A298395 A299513 A299313
Adjacent sequences: A299570 A299571 A299572 * A299574 A299575 A299576
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Feb 13 2018
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STATUS
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approved
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