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 A183457 Number of (n+4)X(n+4) binary arrays with every 1 having exactly three king-move neighbors equal to 1 but with no 2X2 blocks of 1s 0
 1, 3, 32, 199, 8702, 248303, 15282749, 2019698992, 349874591303 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A183465 LINKS EXAMPLE Some solutions for 7X7 ..0..0..0..1..0..0..0....0..0..0..1..0..0..0....0..0..0..0..1..0..0 ..0..0..1..1..1..0..0....0..0..1..1..1..0..0....0..0..0..1..1..1..0 ..0..1..0..0..0..1..0....0..1..0..0..0..1..0....0..0..1..0..0..0..1 ..1..1..0..0..1..1..0....1..1..0..0..0..1..1....0..1..1..0..0..1..1 ..1..0..0..0..1..0..0....0..1..0..0..0..1..0....0..0..1..0..0..0..1 ..0..1..1..1..0..0..0....0..0..1..1..1..0..0....0..0..0..1..1..1..0 ..0..0..1..0..0..0..0....0..0..0..1..0..0..0....0..0..0..0..1..0..0 CROSSREFS Sequence in context: A221464 A119940 A004256 * A322234 A264574 A002059 Adjacent sequences:  A183454 A183455 A183456 * A183458 A183459 A183460 KEYWORD nonn AUTHOR R. H. Hardin Jan 05 2011 STATUS approved

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Last modified March 20 05:34 EDT 2019. Contains 321344 sequences. (Running on oeis4.)