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A206194 Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two 1
559788, 108363344, 21162670972, 4131608458140, 806129409968360, 157233431036489148, 30663225851582320716, 5979459481371854518796, 1165987978329531107899148, 227363834100630151941061428 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A206197

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A203659 A184475 A233916 * A250534 A234207 A124514

Adjacent sequences:  A206191 A206192 A206193 * A206195 A206196 A206197

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 04 2012

STATUS

approved

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Last modified September 22 02:03 EDT 2021. Contains 347605 sequences. (Running on oeis4.)