A210388 - OEIS

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A210388

Number of (n+1)X7 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences

2668077, 3398046223, 4327063104645, 5512336193872815, 7022635194726704581, 8946828669222001072923, 11398269977304081985788081, 14521414001971479753332954339, 18500305591567510345480379056213

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A210390

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A250911 A157840 A063413 * A251044 A151513 A147712

Adjacent sequences: A210385 A210386 A210387 * A210389 A210390 A210391

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 20 2012

STATUS

approved