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A205898 Number of 6X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 1
89630, 6120848, 464115072, 34054078628, 2458450081192, 179239228643910, 13024964822628220, 947261634263619042, 68880555520052372106, 5008933161448694459436, 364236043373638266557242 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 5 of A205894
LINKS
EXAMPLE
Some solutions for n=3
..2..1..0..2....2..1..2..0....0..2..1..0....2..2..2..2....0..1..1..1
..1..2..2..1....1..2..1..2....2..1..2..1....0..1..0..1....0..2..1..2
..1..0..2..2....0..1..0..1....2..2..2..2....1..2..1..0....1..1..2..0
..0..1..0..1....2..1..2..2....0..2..2..0....1..0..1..0....1..0..1..1
..2..2..1..0....0..2..2..0....0..1..2..0....1..1..0..1....1..2..2..1
..2..2..0..0....0..0..1..0....1..2..1..1....0..0..2..1....0..0..2..2
CROSSREFS
Sequence in context: A255390 A347076 A205290 * A250452 A204670 A353550
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 01 2012
STATUS
approved

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)