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A233891 Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal 1
161168, 5829956, 197246776, 8442821772, 317752132336, 13755592501748, 530020280813856, 22858877905193252, 889603831608487232, 38192457821678629076, 1495266348359989393168, 63945337592938269038024 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A233892
LINKS
EXAMPLE
Some solutions for n=1
..0..2..0..2..0..3..0..2....0..1..3..1..3..1..4..5....6..3..6..3..6..3..2..0
..4..5..1..5..4..2..4..1....3..5..6..2..6..2..6..2....2..1..2..1..2..1..5..4
CROSSREFS
Sequence in context: A017393 A017657 A235256 * A339498 A249880 A343967
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2013
STATUS
approved

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Last modified February 23 09:02 EST 2024. Contains 370276 sequences. (Running on oeis4.)