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A249235
Number of length 2+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
1
62, 972, 7736, 36880, 133270, 400152, 1044612, 2427636, 5229990, 10451840, 19688932, 35362972, 60808746, 100653400, 161543020, 251735652, 382345122, 567979396, 826454760, 1180193960, 1658004122, 2293344492, 3127714936
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OFFSET
1,1
COMMENTS
Row 2 of
A249233
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..49
EXAMPLE
Some solutions for n=5
..4....4....0....4....0....4....4....3....0....4....4....0....3....4....4....1
..4....5....5....1....5....1....4....4....5....5....2....3....4....3....2....4
..5....4....1....3....0....0....3....2....5....5....4....4....1....4....3....0
..5....4....2....1....5....5....1....3....2....3....3....0....3....1....5....0
..5....0....5....3....5....1....1....1....0....3....2....2....4....2....4....0
..0....4....0....2....5....3....0....3....4....0....1....1....2....0....1....4
..0....3....0....1....4....4....5....0....3....1....1....3....3....4....4....5
CROSSREFS
Sequence in context:
A394310
A234482
A157499
*
A250564
A231027
A103428
Adjacent sequences:
A249232
A249233
A249234
*
A249236
A249237
A249238
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Oct 23 2014
STATUS
approved
