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 A183454 Number of nX7 binary arrays with every 1 having exactly three king-move neighbors equal to 1 1
 1, 13, 37, 73, 310, 1077, 2906, 9511, 32518, 99333, 312764, 1046598, 3343633, 10652049, 35996876, 117867538, 385635340, 1352230379, 4561605207, 15531139532, 57467708700, 201840310959, 722812200876, 2823705961715, 10358130143326 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 7 of A183456 LINKS R. H. Hardin, Table of n, a(n) for n = 1..200 EXAMPLE Some solutions for 5X7 ..0..0..0..0..0..0..0....0..1..1..0..1..1..0....1..1..0..0..0..1..1 ..0..1..1..0..0..0..0....0..1..1..0..1..1..0....1..1..0..0..0..1..1 ..0..1..1..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 ..0..0..0..0..0..1..1....0..1..1..0..1..1..0....0..0..0..0..0..0..0 ..0..0..0..0..0..1..1....0..1..1..0..1..1..0....0..0..0..0..0..0..0 CROSSREFS Sequence in context: A155301 A155284 A155304 * A155265 A155253 A155234 Adjacent sequences: A183451 A183452 A183453 * A183455 A183456 A183457 KEYWORD nonn AUTHOR R. H. Hardin Jan 05 2011 STATUS approved

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Last modified December 7 10:56 EST 2023. Contains 367650 sequences. (Running on oeis4.)