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A234689 Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant stress 1X1 tilings) 0
3196416, 5385236, 9134920, 19258400, 40731576, 104366624, 265716040, 789826592, 2311358136, 7703580416, 25101251080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A234690

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=1

..0..0..4..5..6..0..5..5....0..6..4..1..4..1..5..1....0..1..0..1..0..5..2..6

..0..5..4..0..6..5..5..0....0..1..4..6..4..6..5..6....0..6..0..6..0..0..2..1

CROSSREFS

Sequence in context: A034638 A122034 A153750 * A232619 A223287 A223484

Adjacent sequences:  A234686 A234687 A234688 * A234690 A234691 A234692

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 29 2013

STATUS

approved

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Last modified October 16 00:29 EDT 2021. Contains 348034 sequences. (Running on oeis4.)