A234189 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 2 (constant-stress 1 X 1 tilings).

2802904, 83845322, 2571461348, 80718738808, 2520220543472, 79661836246626, 2500240291930760, 79390219771938514, 2502305309747766608, 79827367794939162180, 2526900718593524205516, 81013829611539694057770

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

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

Crossrefs

Column 5 of A234190.

Sequence in context: A203912 A355502 A356685 * A321056 A033534 A204744

Adjacent sequences: A234186 A234187 A234188 * A234190 A234191 A234192

Keyword

nonn

Author

R. H. Hardin, Dec 20 2013

Status

approved