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A233731
Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6 and no adjacent elements equal
2
30260, 631628, 14802604, 389230764, 10577526052, 297173770244, 8382657501872, 239905202721744, 6836811878013164, 196682109947646076, 5621738544272692176, 161957852533354058144, 4633563231512519521944, 133535514248052233170788
OFFSET
1,1
COMMENTS
Column 6 of A233733
LINKS
EXAMPLE
Some solutions for n=1
..1..0..2..0..2..0..2....3..2..3..2..0..3..0....1..0..1..0..1..3..1
..3..2..1..2..3..1..3....2..0..1..0..1..2..1....0..2..3..1..3..2..3
CROSSREFS
Sequence in context: A109485 A156429 A171263 * A187376 A187373 A251527
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2013
STATUS
approved