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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

R. H. Hardin, Table of n, a(n) for n = 1..80

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: A209896 A255390 A205290 * A250452 A204670 A236908

Adjacent sequences:  A205895 A205896 A205897 * A205899 A205900 A205901

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2012

STATUS

approved

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Last modified August 27 15:19 EDT 2015. Contains 261092 sequences.