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A205588 Number of (n+1)X7 0..2 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order 1
69338, 1910922, 68604790, 2444556894, 88339585116, 3232900348158, 118372688297292, 4345040364362660, 159636203824214264, 5867029054299935636, 215694158623613862786, 7930473571089262834558, 291601723075905716037696 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A205590

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..32

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A105010 A190379 A205758 * A162874 A162989 A052195

Adjacent sequences:  A205585 A205586 A205587 * A205589 A205590 A205591

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 29 2012

STATUS

approved

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Last modified June 29 14:08 EDT 2022. Contains 354913 sequences. (Running on oeis4.)