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A209046 Number of nX7 0..3 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it 1
2916, 15778340, 86878417604, 478881915072688, 2640002203816927226, 14554067523333615991960, 80235179157233210417254036, 442328880747673272994524595152, 2438516891360121789946284774426192 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A209047

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..0..3..0..1..0..3..0....2..0..3..0..3..2..3....3..2..0..1..0..3..0

..3..2..2..0..1..0..1....0..1..3..0..3..2..1....1..3..2..2..2..1..2

..1..0..3..2..1..2..3....1..2..2..3..0..0..1....2..0..2..3..1..3..1

..3..0..3..2..2..0..1....0..3..3..0..3..1..3....0..3..3..0..2..1..3

CROSSREFS

Sequence in context: A250953 A203376 A183360 * A209018 A186562 A157935

Adjacent sequences:  A209043 A209044 A209045 * A209047 A209048 A209049

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 04 2012

STATUS

approved

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Last modified January 25 03:49 EST 2020. Contains 331241 sequences. (Running on oeis4.)