A234701 Number of (n+1) X (5+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).

704160, 2261220, 7424496, 27355272, 102856704, 421924272, 1760111424, 7867555584, 35635123680, 170901840480, 827857616256, 4211510472672, 21579617801184, 115436393194272, 620408546832384, 3465097973169504

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

Some solutions for n=1:
  0 4 0 6 5 1    6 2 5 1 1 5    0 0 3 0 5 6    2 4 7 3 2 1
  6 5 6 7 1 2    2 3 1 2 7 6    0 5 3 5 5 1    6 3 1 2 6 0

Crossrefs

Column 5 of A234702.

Sequence in context: A183835 A273969 A203834 * A140943 A134615 A186607

Adjacent sequences: A234698 A234699 A234700 * A234702 A234703 A234704

Keyword

nonn

Author

R. H. Hardin, Dec 29 2013

Status

approved