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A235006 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 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). 1
800688, 10000516, 134675868, 2432380948, 46824470810, 1023928807600, 23068624328596, 544357864407132, 13010345726764094, 316562479103386210, 7758402318655762328, 191878584064285621856, 4772767526013594631268 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

Some solutions for n=1:

  2 6 1 4 2 7    6 4 3 4 7 2    2 0 6 2 6 7    4 3 6 2 5 6

  3 5 2 7 3 6    5 1 2 5 6 3    7 3 7 1 3 2    0 1 2 0 1 0

CROSSREFS

Column 5 of A235007.

Sequence in context: A053086 A106781 A112451 * A231629 A231090 A237298

Adjacent sequences:  A235003 A235004 A235005 * A235007 A235008 A235009

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2014

STATUS

approved

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Last modified September 25 22:56 EDT 2022. Contains 356986 sequences. (Running on oeis4.)