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

69338, 1910922, 68604790, 2444556894, 88339585116, 3232900348158, 118372688297292, 4345040364362660, 159636203824214264, 5867029054299935636, 215694158623613862786, 7930473571089262834558, 291601723075905716037696

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