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A249236
Number of length 3+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
92, 1944, 21648, 128436, 556024, 1974784, 5967084, 15714420, 38247620, 85101320, 176828220, 348467560, 652542984, 1168383332, 2021263648, 3377139576, 5476158948, 8658723556, 13363266788, 20175405532, 29898470296, 43507494332
OFFSET
1,1
COMMENTS
Row 3 of A249233.
LINKS
EXAMPLE
Some solutions for n=4
..0....0....1....1....1....0....0....3....2....0....1....1....2....3....2....2
..2....3....3....0....2....1....2....0....3....1....0....4....3....0....2....2
..1....4....3....3....1....4....3....2....4....0....2....2....1....3....2....1
..1....1....1....0....4....2....1....2....0....4....0....4....2....3....3....0
..2....3....2....3....1....0....1....1....0....2....4....3....0....0....4....1
..1....2....1....1....1....0....0....3....2....0....4....0....0....1....1....2
..3....1....0....1....4....0....4....0....4....0....3....3....4....0....2....1
..0....0....4....0....2....1....1....0....1....1....1....4....0....0....4....2
CROSSREFS
Cf. A249233.
Sequence in context: A269439 A269623 A265923 * A166824 A248451 A017808
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 23 2014
STATUS
approved