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A249219 Number of length 7+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five 0
7680, 541624, 30475714, 470797744, 4971575032, 36636435714, 215266489016, 1008960229492, 4090166833220, 14277941121138, 45489560699456, 130575639288782, 350906881230300, 877498861912448, 2086682953389618 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A249212

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=1

..1....1....0....0....1....1....0....1....1....0....0....1....0....0....1....0

..0....1....0....0....1....1....1....0....1....1....1....0....1....0....0....0

..0....0....0....0....0....0....1....0....1....1....0....1....0....0....1....0

..1....0....1....0....0....0....1....0....1....0....1....1....1....1....0....0

..1....0....0....1....0....0....1....1....1....0....1....1....0....1....1....1

..0....0....0....1....1....0....0....1....1....1....0....1....0....1....1....1

..0....0....0....0....1....0....0....1....0....1....1....0....0....0....1....1

..1....0....1....0....0....0....1....0....1....0....0....0....1....1....0....0

..0....1....0....0....1....1....1....1....0....0....0....1....1....1....0....0

..1....0....0....0....1....0....0....0....1....0....1....0....1....1....0....0

..0....0....0....0....1....0....0....0....1....0....1....0....1....0....0....1

..0....1....1....1....0....0....1....0....0....1....1....0....1....1....0....0

..0....0....0....0....1....0....0....0....0....0....0....0....0....1....0....0

CROSSREFS

Sequence in context: A229508 A249204 A249326 * A076339 A105132 A162141

Adjacent sequences:  A249216 A249217 A249218 * A249220 A249221 A249222

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2014

STATUS

approved

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Last modified July 17 18:47 EDT 2019. Contains 325109 sequences. (Running on oeis4.)