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A234446 Number of (n+1) X (3+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
8064, 125080, 2053280, 34601928, 588663528, 10079824144, 172781443608, 2969800840496, 51008286679168, 877838573526604, 15089751678627080, 259871199831030144, 4469550891727670024, 77017044139316320812 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
Empirical recurrence of order 92 (see link above).
EXAMPLE
Some solutions for n=2:
0 1 0 2 1 1 2 1 0 0 1 1 3 3 3 3 0 1 2 3
3 3 1 4 1 2 2 0 2 1 1 0 1 2 1 2 1 1 1 3
2 1 0 4 0 2 3 0 2 2 3 1 0 0 0 2 3 2 1 4
CROSSREFS
Column 3 of A234450.
Sequence in context: A109486 A032780 A159224 * A318104 A013378 A013458
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2013
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)