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A205835 Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two 1
88839, 4120230, 199775148, 9823579164, 485313697782, 24015926216514, 1189207742465910, 58902272401918020, 2917798904031864318, 144543808321651240674, 7160650215359939671695, 354739170301504007421582 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A205836

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A022548 A022013 A233038 * A237902 A184028 A209896

Adjacent sequences:  A205832 A205833 A205834 * A205836 A205837 A205838

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2012

STATUS

approved

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Last modified February 16 21:31 EST 2020. Contains 331975 sequences. (Running on oeis4.)