A234546 Number of (n+1) X (4+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).

41112, 222988, 1207448, 6556488, 35656244, 194284128, 1060310544, 5797286912, 31746284736, 174153656188, 956820801344, 5265969815936, 29024714267936, 160245956598088, 885998584310788, 4906702313505072, 27211938895563816

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..144

Example

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

Crossrefs

Column 4 of A234549.

Sequence in context: A252121 A252118 A250819 * A344456 A257422 A257429

Adjacent sequences: A234543 A234544 A234545 * A234547 A234548 A234549

Keyword

nonn

Author

R. H. Hardin, Dec 28 2013

Status

approved