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A235025 Number of (n+1)X(7+1) 0..5 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant stress tilted 1X1 tilings) 1
252032, 738516, 2152744, 6442252, 19332816, 58903452, 180093160, 557393032, 1730627064, 5432005844, 17096132520, 54343145508, 173136349816, 556684686328, 1793375906536, 5826684356844, 18962093125600, 62198608121156 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A235026

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=1

..0..2..4..5..3..4..5..3....3..1..0..4..3..2..3..4....3..1..2..3..2..0..2..3

..4..3..2..0..1..5..3..4....5..0..2..3..5..1..5..3....2..3..1..5..1..2..1..5

CROSSREFS

Sequence in context: A058004 A272438 A183668 * A237106 A113567 A083628

Adjacent sequences:  A235022 A235023 A235024 * A235026 A235027 A235028

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 02 2014

STATUS

approved

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Last modified October 20 20:24 EDT 2019. Contains 328273 sequences. (Running on oeis4.)