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 A206185 Number of (n+1) X 6 0..3 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors. 1
 986388, 30417316, 2674444796, 364197868292, 51975660472496, 7481908870312588, 1078848431799509828, 155633082985105845972, 22454117874107278681104, 3239703783044424175654576, 467432771562040406990065172 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A206188. LINKS R. H. Hardin, Table of n, a(n) for n = 1..49 EXAMPLE Some solutions for n=4: ..2..3..1..3..2..2....0..0..2..1..0..1....1..2..1..3..3..0....1..2..0..1..3..0 ..1..1..3..2..1..3....2..1..3..2..1..3....1..3..2..1..0..2....1..2..0..1..3..0 ..2..2..3..0..1..1....2..2..3..0..1..2....3..3..0..1..1..2....2..2..0..1..3..3 ..1..3..1..2..0..2....1..3..1..3..0..1....1..0..2..0..3..1....2..0..0..1..1..1 ..1..0..2..0..3..2....0..0..2..0..3..0....1..1..2..3..3..0....0..0..1..1..2..1 CROSSREFS Sequence in context: A250859 A251450 A205656 * A205367 A328288 A328287 Adjacent sequences:  A206182 A206183 A206184 * A206186 A206187 A206188 KEYWORD nonn AUTHOR R. H. Hardin, Feb 04 2012 STATUS approved

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Last modified February 18 09:39 EST 2020. Contains 332011 sequences. (Running on oeis4.)