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 A297097 Number of nX3 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1s. 1
 8, 58, 351, 2258, 14566, 93654, 602723, 3879430, 24968616, 160704029, 1034334465, 6657250344, 42847832116, 275780068038, 1774994012090, 11424334508313, 73530061800721, 473259075639862, 3046021548090702, 19605006538323943 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A297102. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 8*a(n-1) -11*a(n-2) +20*a(n-3) -107*a(n-4) +115*a(n-5) -97*a(n-6) +458*a(n-7) -372*a(n-8) +65*a(n-9) -708*a(n-10) +408*a(n-11) +327*a(n-12) +361*a(n-13) -409*a(n-14) -68*a(n-15) -49*a(n-16) +10*a(n-17) +45*a(n-18) -12*a(n-19) +14*a(n-20) EXAMPLE Some solutions for n=6 ..0..1..0. .0..1..1. .1..0..1. .0..0..1. .1..0..1. .0..1..0. .0..1..1 ..0..1..0. .1..0..1. .0..0..1. .1..0..0. .0..0..1. .1..1..0. .1..0..1 ..0..1..1. .1..0..0. .1..0..0. .0..0..0. .1..0..1. .0..0..0. .1..0..0 ..0..0..0. .1..0..0. .0..1..1. .0..0..0. .1..1..1. .0..1..1. .0..1..1 ..0..0..0. .1..0..1. .0..0..1. .0..0..0. .1..0..1. .0..1..0. .1..0..0 ..0..0..1. .0..0..1. .1..0..0. .1..1..1. .0..1..0. .0..1..0. .0..0..0 CROSSREFS Cf. A297102. Sequence in context: A026948 A111585 A055839 * A081897 A125371 A162272 Adjacent sequences:  A297094 A297095 A297096 * A297098 A297099 A297100 KEYWORD nonn AUTHOR R. H. Hardin, Dec 25 2017 STATUS approved

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Last modified September 16 16:40 EDT 2021. Contains 347473 sequences. (Running on oeis4.)