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A206060 Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases 1
1499080, 11638960, 101369476, 1198231144, 18209383140, 265284773176, 4049733446192, 62573461436920, 917675760715056, 14010280271046248, 216457465434893144, 3174532407620493840, 48466452496861296696 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A206063
LINKS
FORMULA
Empirical: a(n) = 3457*a(n-3) +526*a(n-5) for n>14
EXAMPLE
Some solutions for n=4
..3..2..0..1..0..3....3..3..0..2..1..2....2..3..0..1..1..2....1..0..2..0..2..3
..3..2..2..3..0..0....0..3..3..0..1..1....2..3..3..0..1..1....3..2..2..0..0..3
..2..3..2..2..3..0....3..1..3..3..0..1....0..1..3..3..0..1....2..2..3..2..0..0
..2..2..1..2..2..3....0..0..1..3..3..0....0..0..2..3..3..0....2..0..0..1..2..2
..3..2..3..1..2..2....3..0..0..0..3..3....3..0..0..0..3..3....1..0..0..2..2..3
CROSSREFS
Sequence in context: A297881 A335289 A228761 * A251973 A236499 A210018
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 03 2012
STATUS
approved

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Last modified June 24 19:44 EDT 2024. Contains 373690 sequences. (Running on oeis4.)