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A249203 Number of length 6+6 0..n arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four 0
3872, 208876, 7758744, 102366154, 907556600, 5613806736, 28830275130, 120170303776, 431319297246, 1365200639648, 3922855013334, 10310585311338, 25371620649554, 58894739979154, 129619122923038 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A249197

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A204784 A204783 A035898 * A249325 A249218 A264206

Adjacent sequences:  A249200 A249201 A249202 * A249204 A249205 A249206

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2014

STATUS

approved

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Last modified September 22 15:04 EDT 2021. Contains 347607 sequences. (Running on oeis4.)