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A252183 Number of length 7+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero 0
240, 9295, 123826, 907249, 4652710, 18231947, 59838132, 169267931, 429064420, 989821179, 2121738374, 4261220223, 8118682922, 14752915881, 25768412560, 43419516045, 70948741604 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A252177

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A264317 A270174 A008340 * A251434 A187167 A282227

Adjacent sequences:  A252180 A252181 A252182 * A252184 A252185 A252186

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 2014

STATUS

approved

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Last modified May 16 11:14 EDT 2022. Contains 353704 sequences. (Running on oeis4.)