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A234784
Number of (n+1)X(6+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases
1
797988, 241927524, 75353928188, 23692759265012, 7476894104333052, 2363085244017636364, 747324517604795047044, 236402993427571147646860, 74790182365485126434100804, 23662267614587185373925151684
OFFSET
1,1
COMMENTS
Column 6 of A234786
LINKS
EXAMPLE
Some solutions for n=1
..3..0..1..2..1..2..3....3..0..2..3..1..3..2....3..0..2..1..2..0..1
..0..2..3..0..2..0..2....0..1..3..0..2..1..3....0..2..1..2..3..2..0
CROSSREFS
Sequence in context: A259304 A151561 A022203 * A206135 A237543 A053086
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2013
STATUS
approved