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 A205464 Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor 0
 10876432, 3053150968, 1185601231024, 461355684937208, 178097908817359584, 68862365329186909360, 26629795409510135065440, 10296713802508008634192456, 3981422133075217184705209320 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A205466 LINKS EXAMPLE Some solutions for n=4 ..2..2..1..3..3..3..2....2..1..0..3..2..3..1....3..3..0..1..2..0..2 ..3..1..3..3..3..0..3....0..0..1..1..3..3..2....1..1..0..0..2..2..1 ..2..3..3..3..0..3..3....0..0..0..2..2..0..0....0..2..2..1..2..2..1 ..2..2..0..0..3..3..3....1..2..1..1..3..0..0....0..2..2..3..2..3..2 ..2..2..2..1..2..0..1....3..2..0..3..3..2..2....3..3..0..0..0..2..2 CROSSREFS Sequence in context: A151909 A205664 A205953 * A202470 A224639 A114680 Adjacent sequences:  A205461 A205462 A205463 * A205465 A205466 A205467 KEYWORD nonn AUTHOR R. H. Hardin Jan 27 2012 STATUS approved

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