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A234427 Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal 1
453728, 37628800, 2539059832, 246163893400, 23699592729240, 2541252995824388, 274279786722927952, 30509434550485099928, 3400106613169003997008, 382475460709509500849860, 43015136805905088118451312 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A234428

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..35

EXAMPLE

Some solutions for n=1

..0..6..0..6..0....4..1..7..6..7....4..1..2..3..5....2..4..2..7..5

..4..7..4..7..6....2..6..5..0..3....2..6..0..7..2....0..7..0..5..0

CROSSREFS

Sequence in context: A134960 A134888 A237867 * A205024 A207299 A233926

Adjacent sequences:  A234424 A234425 A234426 * A234428 A234429 A234430

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 25 2013

STATUS

approved

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Last modified August 7 06:02 EDT 2020. Contains 336274 sequences. (Running on oeis4.)