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A235238 Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 6, with no adjacent elements equal (constant stress tilted 1X1 tilings) 1
170864, 348876, 698304, 1593940, 3548456, 8787924, 21123784, 55565636, 141304528, 389137436, 1033108024, 2948180108, 8099212024, 23769869420, 67153607264, 201544634004, 582902960392, 1781509519796, 5256618469672 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A235239

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions for n=1

..3..1..5..1..3..0..4..0....4..2..3..0..5..1..3..1....1..6..2..6..1..4..1..5

..1..5..3..5..1..4..2..4....2..6..1..4..3..5..1..5....3..2..4..2..3..0..3..1

CROSSREFS

Sequence in context: A126894 A251408 A206059 * A236985 A234088 A236498

Adjacent sequences:  A235235 A235236 A235237 * A235239 A235240 A235241

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 05 2014

STATUS

approved

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Last modified August 4 16:10 EDT 2021. Contains 346447 sequences. (Running on oeis4.)