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A234865
Number of (n+2)X(4+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal
1
326786, 1375612, 6113796, 29472954, 161033032, 950535104, 5625963918, 35154924248, 233690454262, 1504949151192, 10086648696624, 70769757753404, 473977778228566, 3290361775892880, 23686288224729122, 161604711198389224
OFFSET
1,1
COMMENTS
Column 4 of A234867
LINKS
EXAMPLE
Some solutions for n=1
..0..2..0..3..0..3....0..3..1..3..0..3....0..1..3..2..3..2....0..3..1..2..0..2
..2..3..1..0..1..2....1..0..3..2..3..2....1..0..2..0..1..0....2..1..3..0..3..1
..3..2..0..2..3..1....3..2..1..0..1..3....0..3..0..1..0..3....3..0..1..3..1..0
CROSSREFS
Sequence in context: A237306 A210387 A269901 * A251438 A251850 A244566
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2014
STATUS
approved