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A234989 Number of (n+1)X(6+1) 0..5 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant stress tilted 1X1 tilings) 1
163416, 1026784, 8616068, 105948984, 1507413164, 24740904388, 433293595046, 8076317372004, 155302530533130, 3074015131838128, 61768316675114716, 1258147349976954976, 25815980445306370036, 533174799308048822422 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A234991

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..41

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A230925 A204653 A031677 * A110072 A196675 A034603

Adjacent sequences:  A234986 A234987 A234988 * A234990 A234991 A234992

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2014

STATUS

approved

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Last modified January 23 03:15 EST 2022. Contains 350504 sequences. (Running on oeis4.)