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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A233928

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

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

Adjacent sequences:  A233923 A233924 A233925 * A233927 A233928 A233929

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 17 2013

STATUS

approved

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Last modified May 18 00:59 EDT 2022. Contains 353779 sequences. (Running on oeis4.)