A234456 Number of (n+1) X (5+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).

1755520, 86545688, 4726887280, 272404175456, 16119111514696, 968883628673536, 58682694920811712, 3573447469469256284, 218058171173810327456, 13336761965221447514244, 815980276332612737066576

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

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

Crossrefs

Column 5 of A234458.

Sequence in context: A090054 A186823 A095391 * A251981 A237148 A203941

Adjacent sequences: A234453 A234454 A234455 * A234457 A234458 A234459

Keyword

nonn

Author

R. H. Hardin, Dec 26 2013

Status

approved