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A235190 Number of (n+1)X(n+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant stress tilted 1X1 tilings) 0
136, 1544, 12176, 96848, 652872, 4812096, 31498952, 224694240, 1462784688, 10244417184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A235198

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A251168 A023070 A015163 * A249985 A072897 A254703

Adjacent sequences:  A235187 A235188 A235189 * A235191 A235192 A235193

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2014

STATUS

approved

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Last modified October 1 11:59 EDT 2020. Contains 337443 sequences. (Running on oeis4.)