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A235105 Number of (n+1)X(6+1) 0..6 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) 1
236496, 523532, 1201872, 2978124, 7614452, 20552136, 57035088, 165182704, 490588960, 1509762708, 4755375684, 15442715664, 51249301928, 174685145432, 607655794872, 2164160490812, 7854511637236, 29102005370312, 109687007091232 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A235107

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..30

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A269280 A092009 A160920 * A205411 A219921 A344352

Adjacent sequences:  A235102 A235103 A235104 * A235106 A235107 A235108

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 03 2014

STATUS

approved

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Last modified September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)