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 A234682 Number of (n+1)X(n+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant stress 1X1 tilings) 0
 232, 4416, 49480, 531984, 4224328, 37361280, 265716040, 2168371104 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A234690 LINKS EXAMPLE Some solutions for n=3 ..5..4..5..4....5..1..3..0....5..6..5..6....1..1..0..5....5..3..6..3 ..0..4..0..4....3..4..1..3....4..0..4..0....5..0..4..4....0..3..1..3 ..4..3..4..3....6..2..4..1....3..4..3..4....2..2..1..6....2..0..3..0 ..2..6..2..6....4..5..2..4....0..6..0..6....5..0..4..4....0..3..1..3 CROSSREFS Sequence in context: A234683 A238919 A327831 * A156391 A279660 A188401 Adjacent sequences:  A234679 A234680 A234681 * A234683 A234684 A234685 KEYWORD nonn AUTHOR R. H. Hardin, Dec 29 2013 STATUS approved

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Last modified January 26 16:30 EST 2021. Contains 340442 sequences. (Running on oeis4.)