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 A205582 Number of (n+1)X(n+1) 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 0
 14, 550, 48401, 8952876, 3619876639, 3232900348158 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A205590 LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for n=4 ..0..1..0..0..2....0..1..1..0..2....0..0..1..1..2....0..0..0..0..0 ..0..0..2..1..0....1..2..2..2..2....0..1..2..1..0....1..0..0..2..1 ..0..0..0..2..2....1..1..0..2..2....2..1..1..0..0....2..1..0..1..0 ..1..1..2..2..2....0..2..1..1..1....0..2..0..0..0....1..1..2..0..0 ..2..0..1..0..0....1..0..0..1..1....0..0..1..2..2....1..1..1..0..0 CROSSREFS Sequence in context: A292966 A109773 A294835 * A217582 A002010 A166185 Adjacent sequences: A205579 A205580 A205581 * A205583 A205584 A205585 KEYWORD nonn AUTHOR R. H. Hardin Jan 29 2012 STATUS approved

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Last modified September 13 22:05 EDT 2024. Contains 375910 sequences. (Running on oeis4.)