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A233914 Number of (n+1) X (5+1) 0..7 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal. 1
36976, 807964, 15981048, 369978404, 7752002928, 179779430264, 3816435022128, 88174304365260, 1882101558915232, 43329895764737680, 928159189164216848, 21305336764584666304, 457639958123218639480, 10478566423139329437168 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A233917.

LINKS

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

EXAMPLE

Some solutions for n=1:

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

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

CROSSREFS

Sequence in context: A223304 A190383 A051393 * A144801 A144812 A057881

Adjacent sequences:  A233911 A233912 A233913 * A233915 A233916 A233917

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 17 2013

STATUS

approved

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Last modified September 24 15:40 EDT 2021. Contains 347643 sequences. (Running on oeis4.)