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A241113
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Number of nX7 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order
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1
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365, 571530, 744822776, 978087593971, 1283885768594047, 1685292182142705704, 2212193554836290644824, 2903828647417685566144097, 3811701111661594456829457851, 5003416917134104852934943460035
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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..0..0..1..1..1..0....0..0..1..0..2..0..0....0..0..1..0..1..0..1
..0..1..0..1..2..1..2....1..1..2..2..0..2..2....2..1..0..1..2..2..2
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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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