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 A302883 Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 0
 1, 2, 37, 238, 20937, 3452246, 2899297652, 7977498513759, 75895729469717417 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A302889. LINKS EXAMPLE Some solutions for n=5 ..0..1..1..0..1. .0..0..0..0..0. .0..0..1..1..1. .0..0..0..1..1 ..1..1..0..0..0. .0..0..0..0..0. .1..0..0..1..1. .1..0..0..1..1 ..0..0..1..0..0. .0..0..1..1..0. .1..0..0..0..0. .1..0..1..0..1 ..0..0..0..1..1. .1..1..1..0..0. .1..0..1..0..0. .0..0..0..1..1 ..1..0..0..1..1. .0..1..1..0..0. .0..0..0..0..0. .0..0..0..1..1 CROSSREFS Cf. A302889. Sequence in context: A139119 A244757 A298476 * A053788 A078976 A200911 Adjacent sequences: A302880 A302881 A302882 * A302884 A302885 A302886 KEYWORD nonn AUTHOR R. H. Hardin, Apr 15 2018 STATUS approved

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Last modified February 4 10:27 EST 2023. Contains 360053 sequences. (Running on oeis4.)