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A234449
Number of (n+1) X (6+1) 0..4 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
3137920, 170001402, 10079824144, 627437990794, 39720806964788, 2548197407150290, 163772796220260584, 10589006000192373618, 683462930964952700304, 44310666343515542796718, 2864896872318574609384464
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
0 0 2 0 0 2 0 0 1 0 3 4 4 3 0 2 2 3 2 3 4
0 1 2 1 2 3 0 0 2 2 4 4 3 1 0 1 0 2 0 2 4
CROSSREFS
Column 6 of A234450.
Sequence in context: A172606 A234151 A067899 * A204629 A235070 A203877
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2013
STATUS
approved