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A205906 Number of (n+1)X6 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same 1
43155, 1712907, 63696738, 2360853939, 87381878025, 3239997622134, 120298113709833, 4471201485225354, 166289278322725080, 6186943327319274234, 230242651040166965328, 8569463770509613976787, 318972948487631198705376 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205909

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A008850 A205733 A205914 * A134450 A141085 A151623

Adjacent sequences:  A205903 A205904 A205905 * A205907 A205908 A205909

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2012

STATUS

approved

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Last modified September 22 17:16 EDT 2020. Contains 337291 sequences. (Running on oeis4.)