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A206125 Number of (n+1)X6 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors 1
6386, 93582, 1622095, 31537842, 619611200, 12251680342, 242348711498, 4795824388008, 94904217919185, 1878104997610024, 37166726586652989, 735509641479756842, 14555377036628179775, 288043173418928053016 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A206128

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A237380 A251406 A278187 * A322935 A253825 A186068

Adjacent sequences:  A206122 A206123 A206124 * A206126 A206127 A206128

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 04 2012

STATUS

approved

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Last modified July 6 02:23 EDT 2022. Contains 355108 sequences. (Running on oeis4.)