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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 R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 92 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 Adjacent sequences: A234443 A234444 A234445 * A234447 A234448 A234449 KEYWORD nonn AUTHOR R. H. Hardin, Dec 26 2013 STATUS approved

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Last modified December 6 18:09 EST 2022. Contains 358644 sequences. (Running on oeis4.)