A235069 Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

609412, 3780180, 24652260, 181669172, 1333866324, 10169860740, 77175918060, 600121202116, 4656911119264, 36958692834244, 293070526517544, 2378338355980700, 19284557903039056, 160269112134068812

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

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

Crossrefs

Column 6 of A235071.

Sequence in context: A205429 A308279 A195281 * A233938 A237784 A230009

Adjacent sequences: A235066 A235067 A235068 * A235070 A235071 A235072

Keyword

nonn

Author

R. H. Hardin, Jan 03 2014

Status

approved