A234554 Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

1157728, 12632704, 135896344, 1489279544, 16292204064, 181336703944, 2016799098648, 22906568942748, 259836138589312, 3026682330138876, 35158611660078320, 422430311248593024, 5046234781831440192

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

Some solutions for n=1:
  0 5 3 0 5 5    0 0 1 6 0 3    0 1 5 3 3 6    0 5 3 4 1 2
  3 5 6 0 2 5    0 3 1 3 0 0    3 1 2 3 6 6    3 5 0 4 4 2

Crossrefs

Column 5 of A234555.

Sequence in context: A233874 A084554 A339982 * A192104 A210181 A204307

Adjacent sequences: A234551 A234552 A234553 * A234555 A234556 A234557

Keyword

nonn

Author

R. H. Hardin, Dec 28 2013

Status

approved