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 A269032 Number of nX5 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once. 1
 96, 672, 9528, 115656, 1326576, 14710368, 159397596, 1698064656, 17853542544, 185754411168, 1916112393912, 19623814814640, 199755193119372, 2022721445384448, 20388967766219208, 204700225563136152 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A269035. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 28*a(n-1) -286*a(n-2) +1290*a(n-3) -2373*a(n-4) +304*a(n-5) +3551*a(n-6) -2846*a(n-7) -546*a(n-8) +1308*a(n-9) -505*a(n-10) +76*a(n-11) -4*a(n-12) for n>13 EXAMPLE Some solutions for n=4 ..2..0..1..0..0. .0..1..2..1..0. .0..0..0..0..1. .2..1..2..2..1 ..1..2..1..0..1. .2..1..2..1..2. .1..0..0..0..0. .2..1..2..1..2 ..1..0..1..2..1. .2..1..2..1..0. .0..0..0..0..1. .0..1..2..2..2 ..0..0..1..2..2. .0..2..2..1..2. .0..0..0..1..0. .0..1..2..2..2 CROSSREFS Cf. A269035. Sequence in context: A216106 A268795 A232405 * A187610 A269215 A096783 Adjacent sequences: A269029 A269030 A269031 * A269033 A269034 A269035 KEYWORD nonn AUTHOR R. H. Hardin, Feb 18 2016 STATUS approved

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Last modified August 12 19:26 EDT 2024. Contains 375113 sequences. (Running on oeis4.)