A234997 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 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

1214044, 12776172, 147975544, 2489486392, 44177186020, 914013128196, 19044109453960, 424531682715560, 9414229379699100, 217307773793647632, 4988732357928242872, 117937872645602844912, 2779027403640520958532

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..15

Example

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

Crossrefs

Column 6 of A234998.

Sequence in context: A092696 A203627 A235910 * A213703 A270268 A257152

Adjacent sequences: A234994 A234995 A234996 * A234998 A234999 A235000

Keyword

nonn

Author

R. H. Hardin, Jan 02 2014

Status

approved