A235024 Number of (n+1) X (6+1) 0..5 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).

66848, 203768, 617600, 1912444, 5939792, 18670696, 58903452, 187635828, 599716544, 1933347092, 6250894188, 20369947440, 66547928408, 218994521968, 722244543524, 2398068665620, 7977618344764, 26705978410720, 89553589353604

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..72

Example

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

Crossrefs

Column 6 of A235026.

Sequence in context: A256002 A225560 A234402 * A235245 A252991 A340404

Adjacent sequences: A235021 A235022 A235023 * A235025 A235026 A235027

Keyword

nonn

Author

R. H. Hardin, Jan 02 2014

Status

approved