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 A185930 Number of (n+1)X7 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace 1
 106519232, 304295071104, 901434253841216, 2660771010874885728, 7860583219546798541024, 23221991267256751327588320, 68603053673782945157839799264, 202669623828919364821359439182528 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A185933 LINKS R. H. Hardin, Table of n, a(n) for n = 1..25 EXAMPLE Some solutions for 3X7 ..2..0..2..0..0..2..0....2..0..2..2..1..3..0....2..0..2..3..0..1..0 ..0..0..0..0..3..0..1....0..0..0..0..2..1..2....0..0..0..0..3..1..1 ..0..0..2..0..1..2..0....0..0..2..0..3..3..1....0..0..2..0..2..1..2 CROSSREFS Sequence in context: A035498 A018897 A124149 * A184572 A184783 A204953 Adjacent sequences: A185927 A185928 A185929 * A185931 A185932 A185933 KEYWORD nonn AUTHOR R. H. Hardin Feb 06 2011 STATUS approved

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Last modified September 18 10:37 EDT 2024. Contains 375999 sequences. (Running on oeis4.)