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A233874
Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 21
0
1128928, 5878272, 46051092, 530983144, 7353231356, 117645672328, 1973200783776, 35656142816164, 649164399442300, 12542136506595712
OFFSET
1,1
COMMENTS
Column 6 of A233875
EXAMPLE
Some solutions for n=1
..0..7..0..6..0..7..0....0..1..0..4..0..5..0....0..6..1..1..7..0..3
..0..0..0..3..0..0..0....6..4..6..1..6..2..6....6..3..7..4..7..7..3
CROSSREFS
Sequence in context: A100365 A363957 A234979 * A084554 A339982 A234554
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2013
STATUS
approved