A235245 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 6, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

66874, 152178, 359962, 1039502, 2965442, 9463558, 29462346, 98737622, 322636258, 1117067382, 3774395002, 13420696070, 46603012898, 169749671638, 604053459162, 2250894106886, 8193769097074, 31201221798150, 116002816755994

Offset

1,1

Comments

Column 5 of A235248.

Links

R. H. Hardin, Table of n, a(n) for n = 1..61

Example

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

Crossrefs

Sequence in context: A225560 A234402 A235024 * A252991 A340404 A249193

Adjacent sequences: A235242 A235243 A235244 * A235246 A235247 A235248

Keyword

nonn

Author

R. H. Hardin, Jan 05 2014

Status

approved