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A235318 Number of (n+1)X(7+1) 0..6 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant stress 1X1 tilings) 0
128128, 206360, 316912, 598976, 1062832, 2291696, 4632208, 11046512, 24862768, 63985520, 156648592, 427611056, 1117112752, 3196232816, 8787317008, 26128056752, 74857634608 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A235319

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A066690 A189185 A234978 * A151812 A224585 A190819

Adjacent sequences:  A235315 A235316 A235317 * A235319 A235320 A235321

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 05 2014

STATUS

approved

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Last modified May 25 01:17 EDT 2019. Contains 323534 sequences. (Running on oeis4.)