login
A233996
Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18
0
1995424, 4923910, 11510748, 39038268, 117312896, 533896296, 1997753492, 12585162304, 57382924232
OFFSET
1,1
COMMENTS
Column 7 of A233997
EXAMPLE
Some solutions for n=1
..0..6..0..6..0..0..1..0....0..3..6..1..5..6..5..5....0..3..6..2..0..0..5..5
..3..3..3..3..3..5..4..5....3..6..1..4..0..5..0..2....3..6..1..5..5..3..0..6
CROSSREFS
Sequence in context: A345626 A346344 A172791 * A359534 A081398 A022226
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2013
STATUS
approved