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A249008
Number of length 7+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two
1
1546, 41084, 973204, 11810564, 105819690, 589354152, 2869206494, 10716918348, 36428481062, 108634995458, 299997171280, 746679315998, 1771285007396, 3889902082248, 8233803171560, 16491148207236, 31949943270148
OFFSET
1,1
COMMENTS
Row 7 of A249001
LINKS
EXAMPLE
Some solutions for n=2
..0....0....0....0....1....0....0....0....0....1....1....2....0....0....1....2
..2....0....1....1....2....2....0....1....0....0....0....2....1....2....1....2
..0....1....1....2....2....2....2....2....0....0....2....1....1....2....1....1
..2....1....0....0....2....2....0....2....2....1....2....1....2....1....0....2
..2....0....1....0....2....0....0....2....1....0....2....0....2....2....0....2
..2....1....0....1....1....2....0....0....1....0....1....0....0....0....1....2
..1....1....0....0....2....0....1....2....0....2....0....1....1....1....0....1
..1....1....1....1....1....0....2....2....0....0....1....1....1....0....0....2
..2....0....0....2....2....2....0....0....0....0....0....2....0....1....0....1
..1....1....2....0....0....0....1....0....2....0....0....2....1....2....2....0
..1....1....1....1....2....0....0....2....0....0....0....0....1....0....0....0
CROSSREFS
Sequence in context: A234031 A038009 A362507 * A249473 A246899 A090209
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 18 2014
STATUS
approved