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A234329 Number of (n+1) X (4+1) 0..3 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
13056, 203008, 3271560, 53812604, 886832036, 14698619604, 243143542208, 4038567639984, 66909511664976, 1112993440706864, 18463328032062420, 307559050379497960, 5108531833472596748, 85219174193834018396 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1:

3 1 0 1 0 1 3 2 3 2 1 0 1 2 0 0 1 1 3 2

3 0 0 2 2 2 3 1 3 3 2 2 2 2 1 3 3 2 3 1

CROSSREFS

Column 4 of A234333.

Sequence in context: A252638 A252191 A256730 * A165679 A111887 A249495

Adjacent sequences: A234326 A234327 A234328 * A234330 A234331 A234332

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 23 2013

STATUS

approved

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Last modified March 22 06:36 EDT 2023. Contains 361413 sequences. (Running on oeis4.)