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A205280 Number of (n+1)X5 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 1
687900, 233119498, 75356390650, 23973193183186, 7657621275762398, 2447251756241315390, 781739925863274531798, 249710555606742254384236, 79769182279819645140717282, 25481988765995464149652889092 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A205281
LINKS
EXAMPLE
Some solutions for n=4
..3..3..2..1..3....3..0..3..2..2....0..1..2..3..3....3..3..2..2..2
..2..2..2..3..3....0..1..2..0..2....3..1..3..3..0....2..3..0..1..0
..2..2..0..1..1....1..1..3..3..0....3..1..0..3..1....0..1..3..0..3
..2..1..1..2..2....1..2..3..3..3....1..0..1..3..1....1..3..2..2..2
..3..2..1..2..1....1..0..0..1..3....3..2..0..2..2....0..2..3..2..3
CROSSREFS
Sequence in context: A323805 A185865 A238144 * A185922 A353345 A204788
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2012
STATUS
approved

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Last modified April 26 01:38 EDT 2024. Contains 371989 sequences. (Running on oeis4.)