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A234454
Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
1
21344, 427956, 9249432, 207310120, 4726887280, 108833647220, 2516987045248, 58398272232836, 1356332197407768, 31546244050128332, 733745025666040408, 17081749645650678160, 397559951529941797856, 9259739427069345664228
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
5 4 2 3 4 2 5 3 0 1 1 0 5 0 3 0 2 4 5 2
5 5 2 2 4 1 5 2 1 3 2 0 5 1 5 1 0 3 3 1
CROSSREFS
Column 3 of A234458.
Sequence in context: A253980 A349508 A250532 * A319017 A286635 A324259
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2013
STATUS
approved