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 A205614 Number of 7X(n+1) 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order 0
 937926, 60868362, 3128383392, 230158920084, 13403364530330, 1046956456530150, 64469298849716708 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 6 of A205609 LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=4 ..0..1..1..0..1....0..0..0..0..0....0..0..0..1..0....0..1..1..1..0 ..0..0..1..0..0....0..0..0..0..0....2..0..1..1..0....0..1..2..1..0 ..3..2..1..2..1....1..2..3..2..3....3..0..2..3..3....2..1..0..1..2 ..3..2..1..1..1....1..2..3..3..3....0..0..2..2..2....3..0..2..3..1 ..3..0..0..2..3....1..0..0..1..2....1..3..3..0..3....1..0..1..3..0 ..3..0..2..2..2....1..1..0..1..1....3..3..0..0..0....2..3..0..1..2 ..1..1..1..3..0....2..3..3..3..0....0..1..1..2..1....1..3..2..1..3 CROSSREFS Sequence in context: A075008 A244564 A104929 * A198780 A104940 A203893 Adjacent sequences: A205611 A205612 A205613 * A205615 A205616 A205617 KEYWORD nonn AUTHOR R. H. Hardin Jan 29 2012 STATUS approved

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Last modified December 10 18:52 EST 2023. Contains 367717 sequences. (Running on oeis4.)