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A233926
Number of (n+1)X(6+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 and no adjacent elements equal
1
456328, 19931860, 1020495508, 61446631860, 3988055755936, 272824817463304, 19149252827167936, 1367642121207397188, 98419018217282160840, 7126380386743163620364, 516887685378458415821972
OFFSET
1,1
COMMENTS
Column 6 of A233928
LINKS
EXAMPLE
Some solutions for n=1
..2..4..0..2..1..4..0....1..2..4..2..0..2..3....4..2..0..2..4..2..1
..0..3..1..4..0..3..2....0..4..2..0..2..4..1....0..1..3..1..0..1..4
CROSSREFS
Sequence in context: A234427 A205024 A207299 * A339429 A210402 A274811
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2013
STATUS
approved