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A205889 Number of (n+1)X4 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 1
4020, 79644, 1476942, 26010268, 464115072, 8325468740, 148827007430, 2659178147340, 47551879509036, 850274306582468, 15201511461415374, 271786406380926280, 4859382432160259832, 86881923302659644976 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A205894

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..1..1..0..1....2..2..0..1....0..0..1..1....0..0..2..0....2..1..0..0

..2..1..2..0....2..1..2..1....2..2..1..2....0..2..2..2....0..2..1..2

..1..2..1..2....2..1..0..2....1..1..0..2....1..1..2..2....1..2..1..0

..0..0..1..0....1..2..1..1....1..2..2..2....2..1..2..0....1..2..2..1

CROSSREFS

Sequence in context: A107285 A252349 A099229 * A236521 A235658 A186530

Adjacent sequences:  A205886 A205887 A205888 * A205890 A205891 A205892

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2012

STATUS

approved

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Last modified December 22 02:06 EST 2014. Contains 252326 sequences.