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A249004
Number of length 3+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
112, 1140, 8680, 42308, 163112, 485580, 1298968, 2997774, 6449496, 12811158, 24159584, 42911184, 73629888, 120844328, 193152322, 298869080, 452268778, 666984964, 966771826, 1372738118, 1920965096, 2643444158, 3592832436
OFFSET
1,1
COMMENTS
Row 3 of A249001
LINKS
EXAMPLE
Some solutions for n=5
..1....4....4....0....3....3....1....4....1....0....4....1....0....1....1....3
..1....4....1....0....5....3....0....0....4....4....3....1....2....5....1....2
..2....5....2....2....1....1....0....3....0....2....0....5....2....3....1....0
..0....2....4....4....1....3....0....3....2....1....2....2....0....3....4....3
..0....1....1....5....4....3....0....3....5....5....0....0....5....5....2....3
..5....0....5....5....3....1....5....5....3....5....3....5....3....3....5....1
..1....1....4....0....2....1....4....3....5....4....4....1....2....4....2....1
CROSSREFS
Sequence in context: A330418 A235311 A008430 * A249469 A234673 A232785
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 18 2014
STATUS
approved