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A297956
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Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
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1
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3, 23, 47, 233, 681, 2596, 11623, 39801, 149442, 616286, 2335635, 8904387, 34861648, 135228611, 521631430, 2019356359, 7839971399, 30360460809, 117476386060, 455396350820, 1764702754346, 6833651832659, 26474646322752, 102580295118751
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OFFSET
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1,1
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COMMENTS
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Column 5 of A297959.
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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=7
..0..0..1..0..1. .0..0..0..0..0. .0..1..1..0..1. .0..0..1..0..0
..1..1..0..1..0. .1..1..1..1..1. .0..1..0..0..1. .1..0..1..0..1
..1..0..1..0..1. .0..1..1..1..0. .1..1..0..0..0. .1..0..0..1..0
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..1..1
..1..1..0..1..1. .0..0..1..0..0. .1..0..1..0..0. .1..1..0..0..0
..0..1..0..1..0. .1..0..1..1..0. .0..1..0..0..1. .0..1..0..0..1
..0..1..1..1..0. .1..1..1..1..1. .1..0..1..1..0. .1..0..1..0..1
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CROSSREFS
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Cf. A297959.
Sequence in context: A060651 A146592 A107169 * A298772 A298579 A299571
Adjacent sequences: A297953 A297954 A297955 * A297957 A297958 A297959
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jan 09 2018
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STATUS
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approved
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