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A232428
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Number of (n+1)X(4+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically
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1
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240, 14592, 650696, 31127576, 1595145428, 78230147672, 3847288654852, 190729773692400, 9418543950518992, 465201628773461436, 22991571739963061116, 1135931527948142688780, 56123930688446251301676
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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=2
..0..2..2..1..0....2..2..1..0..0....2..1..0..1..0....2..1..0..1..0
..1..1..0..2..1....1..1..0..2..1....2..2..0..2..0....2..1..1..2..0
..2..0..2..1..0....0..0..0..1..0....1..0..1..2..1....1..0..1..2..1
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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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