A234547 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 3 (constant-stress 1 X 1 tilings).

239648, 1269812, 6716768, 35656244, 189641952, 1011141204, 5401882616, 28926522000, 155194481696, 834519327248, 4495708054880, 24272022165700, 131277493872560, 711523641205184, 3863153566486008, 21017457535548920

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..36

Example

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

Crossrefs

Column 5 of A234549.

Sequence in context: A234768 A122210 A237396 * A234709 A015345 A187960

Adjacent sequences: A234544 A234545 A234546 * A234548 A234549 A234550

Keyword

nonn

Author

R. H. Hardin, Dec 28 2013

Status

approved