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A205899 Number of 7X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 1
511044, 61390466, 8325468740, 1085248304854, 138728411577118, 17941121077647948, 2311335083182156332, 298087795358600636864, 38430894973618825053506, 4955732666674458435678678 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A205894

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..13

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A138207 A249881 A205291 * A068816 A233858 A306952

Adjacent sequences:  A205896 A205897 A205898 * A205900 A205901 A205902

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2012

STATUS

approved

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Last modified August 3 08:53 EDT 2020. Contains 336197 sequences. (Running on oeis4.)