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A235173 Number of (n+1)X(5+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) 1
281580, 1373616, 6664620, 32642908, 160169432, 790073988, 3906036120, 19401099892, 96570078596, 482795643156, 2418442014900, 12165215446444, 61303653175348, 310155807654948, 1571790478344524, 7995710085830632 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A235175

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A257158 A254740 A131263 * A245659 A321055 A185886

Adjacent sequences:  A235170 A235171 A235172 * A235174 A235175 A235176

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2014

STATUS

approved

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Last modified January 19 14:34 EST 2022. Contains 350466 sequences. (Running on oeis4.)