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A235025
Number of (n+1) X (7+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
1
252032, 738516, 2152744, 6442252, 19332816, 58903452, 180093160, 557393032, 1730627064, 5432005844, 17096132520, 54343145508, 173136349816, 556684686328, 1793375906536, 5826684356844, 18962093125600, 62198608121156
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
0 2 4 5 3 4 5 3 3 1 0 4 3 2 3 4 3 1 2 3 2 0 2 3
4 3 2 0 1 5 3 4 5 0 2 3 5 1 5 3 2 3 1 5 1 2 1 5
CROSSREFS
Column 7 of A235026.
Sequence in context: A058004 A272438 A183668 * A237106 A113567 A083628
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2014
STATUS
approved