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A249202 Number of length 5+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
1952, 80354, 2194096, 23617364, 174811880, 931904308, 4161333538, 15379935948, 49569584570, 142443880844, 374519807730, 907880243074, 2070775726222, 4475283102564, 9211265137618 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A249197

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A223464 A252062 A251843 * A249324 A249217 A155809

Adjacent sequences:  A249199 A249200 A249201 * A249203 A249204 A249205

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2014

STATUS

approved

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Last modified August 10 14:33 EDT 2020. Contains 336381 sequences. (Running on oeis4.)