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A235105 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 4, with no adjacent elements equal (constant-stress tilted 1 X 1 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
LINKS
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
Column 6 of A235107.
Sequence in context: A269280 A092009 A160920 * A205411 A219921 A344352
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 03 2014
STATUS
approved

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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)