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 A184448 1/36 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last 0
 63, 600, 3125, 11766, 53350, 196974, 660654 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A184457 LINKS EXAMPLE Some solutions with a(1,1)=0 for 4X4 ..0..0..0..0....0..1..1..0....0..0..2..0....0..1..0..0....0..1..2..0 ..0..0..1..0....2..1..2..2....0..1..2..0....0..0..2..0....1..0..0..2 ..1..2..2..1....1..1..0..1....0..0..1..0....1..2..0..1....2..0..0..1 ..1..1..1..1....0..1..1..0....0..0..2..0....0..1..0..0....2..0..1..2 CROSSREFS Sequence in context: A038858 A217264 A179537 * A181125 A022522 A152731 Adjacent sequences:  A184445 A184446 A184447 * A184449 A184450 A184451 KEYWORD nonn AUTHOR R. H. Hardin Jan 14 2011 STATUS approved

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