A234494 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 2 (constant-stress 1 X 1 tilings).

99142, 1483566, 22124316, 337787398, 5086391644, 78343976876, 1187892774098, 18458711626338, 281836734313650, 4419843758823480, 67966077488967054, 1076066240683859120, 16667186081407001668, 266487707205522217138

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..132

Example

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

Crossrefs

Column 4 of A234497.

Sequence in context: A238296 A359345 A093778 * A255760 A255753 A254842

Adjacent sequences: A234491 A234492 A234493 * A234495 A234496 A234497

Keyword

nonn

Author

R. H. Hardin, Dec 26 2013

Status

approved