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A302430
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Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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16, 21, 51, 148, 372, 1359, 4223, 12765, 36991, 120577, 379049, 1163511, 3513789, 11057011, 34615371, 107067003, 328256519, 1021668031, 3184852651, 9877177123, 30474354613, 94542321045, 293938006889, 912146326937, 2822284649841
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..0..1..0..1..0. .0..1..1..0..0. .0..1..0..0..1. .0..0..1..1..0
..0..1..0..1..0. .0..1..0..1..0. .1..0..0..0..0. .0..1..0..1..0
..0..1..0..1..0. .0..1..0..1..0. .1..0..1..0..1. .0..1..0..1..0
..0..1..0..1..1. .0..1..1..1..0. .1..0..1..1..0. .0..1..0..1..1
..0..1..0..1..0. .0..1..0..0..0. .1..1..0..1..0. .1..0..0..1..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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