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 A202454 Number of (n+2)X(n+2) binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column 1
 512, 1194, 3362, 10918, 38478, 141192, 528390, 1998486, 7609118, 29110180, 111787002, 430618204, 1663208690, 6438719028, 24976207182, 97056810102, 377757631038, 1472369063940, 5746130037258, 22451082059892, 87812623596642 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A202461 LINKS R. H. Hardin, Table of n, a(n) for n = 1..68 EXAMPLE Some solutions for 6X6 ..0..0..0..1..0..0....0..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..0..1 ..0..0..0..1..0..0....0..0..0..1..1..1....0..0..0..0..0..0....0..0..0..1..0..1 ..0..0..0..1..1..1....0..0..1..1..1..1....0..0..0..0..0..1....0..0..0..1..0..1 ..1..1..1..1..1..1....0..1..1..1..1..1....0..1..1..1..1..1....0..1..1..1..1..1 ..0..1..1..1..1..1....1..1..1..1..1..1....0..0..0..1..0..1....1..1..1..1..1..1 ..0..0..1..1..1..1....0..0..1..1..1..1....0..0..0..1..1..1....0..1..1..1..1..1 CROSSREFS Sequence in context: A045058 A220017 A234879 * A230543 A224651 A224644 Adjacent sequences:  A202451 A202452 A202453 * A202455 A202456 A202457 KEYWORD nonn AUTHOR R. H. Hardin Dec 19 2011 STATUS approved

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Last modified June 4 03:40 EDT 2020. Contains 334815 sequences. (Running on oeis4.)