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 A184649 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock having a positive determinant 4
 106449, 3745509, 3745509, 127914873, 398829619, 127914873, 4349714604, 40374310135, 40374310135, 4349714604, 148865535558, 3941878848972, 11808364027889, 3941878848972, 148865535558, 5086456344189, 398138249828378 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ........106449.........3745509........127914873.......4349714604 .......3745509.......398829619......40374310135....3941878848972 .....127914873.....40374310135...11808364027889.3298741433422598 ....4349714604...3941878848972.3298741433422598 ..148865535558.398138249828378 .5086456344189 LINKS R. H. Hardin, Table of n, a(n) for n = 1..24 EXAMPLE Some solutions for 5X4 ..0..0..2..0....0..0..2..0....0..0..2..0....0..0..2..0....0..0..2..0 ..1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1....1..0..0..1 ..1..1..0..0....0..1..0..0....3..1..0..1....0..1..0..1....0..1..0..1 ..3..2..3..0....0..2..3..0....2..3..1..0....1..1..2..0....2..0..3..3 ..3..0..1..2....3..2..0..1....3..0..2..1....2..2..3..1....3..1..1..3 CROSSREFS Sequence in context: A242479 A252775 A210410 * A184646 A237542 A237081 Adjacent sequences: A184646 A184647 A184648 * A184650 A184651 A184652 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 18 2011 STATUS approved

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Last modified March 28 01:55 EDT 2023. Contains 361576 sequences. (Running on oeis4.)