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 A283035 Number of n X n 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element. 0
 0, 4, 119, 9152, 1604067, 706205768, 797350288363, 2355217281173760, 18388049679475271526, 382245292023510825419744 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A283042. LINKS EXAMPLE Some solutions for n=4 ..1..1..0..0. .1..1..1..0. .0..1..0..0. .1..0..1..1. .0..0..1..0 ..0..0..0..1. .0..0..0..0. .0..0..0..1. .0..0..0..0. .0..0..1..1 ..1..0..1..0. .1..0..1..0. .1..1..0..0. .1..1..0..1. .0..0..1..0 ..0..1..1..1. .1..0..0..0. .1..0..1..0. .1..0..0..1. .0..1..0..1 CROSSREFS Cf. A283042. Sequence in context: A096464 A285053 A264420 * A284764 A271421 A064204 Adjacent sequences:  A283032 A283033 A283034 * A283036 A283037 A283038 KEYWORD nonn AUTHOR R. H. Hardin, Feb 27 2017 STATUS approved

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Last modified November 27 12:51 EST 2021. Contains 349394 sequences. (Running on oeis4.)