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A235174 Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant stress tilted 1X1 tilings) 0
1603344, 7533616, 35209872, 166600788, 790073988, 3773616876, 18074063004, 87109748012, 420922099064, 2045869493268, 9967014218496, 48826742512152 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A235175

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A104827 A198171 A220467 * A234410 A069374 A294776

Adjacent sequences:  A235171 A235172 A235173 * A235175 A235176 A235177

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2014

STATUS

approved

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Last modified April 19 22:22 EDT 2019. Contains 322291 sequences. (Running on oeis4.)