A234996 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, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

196148, 1687256, 16100096, 208674708, 2873152132, 44177186020, 691899662624, 11285218344244, 185169976707148, 3102397497213456, 52159540083531748, 889922884389534672, 15233398956425568880, 263888147715414313324

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..45

Example

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

Crossrefs

Column 5 of A234998.

Sequence in context: A203047 A309190 A074388 * A234389 A234393 A234394

Adjacent sequences: A234993 A234994 A234995 * A234997 A234998 A234999

Keyword

nonn

Author

R. H. Hardin, Jan 02 2014

Status

approved