A234548 Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

1397712, 7237508, 37416120, 194284128, 1011141204, 5278556248, 27621051428, 144947327048, 762363854488, 4020742256396, 21251673956576, 112622324473000, 598085615932288

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Example

Some solutions for n=1:
  3 3 1 5 1 1 1        0 4 2 0 0 3 0        0 3 1 3 1 5 3
  0 3 4 5 4 1 4        3 4 5 0 3 3 3        0 0 1 0 1 2 3

Crossrefs

Column 6 of A234549.

Sequence in context: A288073 A237240 A052242 * A069315 A022209 A203883

Adjacent sequences: A234545 A234546 A234547 * A234549 A234550 A234551

Keyword

nonn

Author

R. H. Hardin, Dec 28 2013

Status

approved