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A205465 Number of (n+1)X8 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor 0
92062852, 52550629576, 44457471151176, 37682835967710128, 31646417127980445980, 26629795409510135065440 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A205466

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

..1..2..3..2..0..3..2..3....3..3..3..2..0..2..2..0....2..0..2..0..0..0..3..3

..1..2..1..1..0..2..3..3....1..1..0..0..1..1..3..3....2..2..0..0..0..3..0..3

..3..1..1..1..2..3..3..3....1..1..2..1..1..1..1..0....1..0..0..0..3..2..1..0

..0..0..2..1..3..3..3..0....3..0..0..0..2..1..1..0....1..2..1..1..0..0..2..2

..2..1..1..2..2..0..3..1....2..3..0..0..0..2..3..1....1..3..0..3..3..1..1..0

CROSSREFS

Sequence in context: A034643 A186051 A205665 * A117624 A147527 A293244

Adjacent sequences:  A205462 A205463 A205464 * A205466 A205467 A205468

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 27 2012

STATUS

approved

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Last modified May 23 09:24 EDT 2022. Contains 353975 sequences. (Running on oeis4.)