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A247538 Number of length 6+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum 1
8, 153, 1018, 3455, 8440, 16683, 29012, 47061, 70374, 101211, 139098, 186709, 242550, 310309, 387886, 479071, 581190, 700039, 831330, 980163, 1143696, 1326791, 1525156, 1747277, 1985126, 2246569, 2527836, 2835111, 3161492, 3517493, 3893824 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A247533
LINKS
FORMULA
Empirical recurrence of order 92 (see link above)
EXAMPLE
Some solutions for n=6
..4....2....6....2....1....4....5....0....5....6....0....1....6....4....2....4
..1....6....5....6....3....3....4....1....4....5....2....0....3....4....5....3
..5....0....1....4....2....1....3....3....0....2....3....1....2....5....4....4
..2....4....2....4....4....2....2....2....1....1....5....2....5....3....3....5
..4....2....4....2....5....0....3....0....5....4....6....3....4....6....4....4
..3....2....5....2....3....1....4....1....4....5....4....4....3....4....5....5
..5....4....3....0....2....1....5....3....0....2....5....5....4....1....2....6
..6....0....2....4....4....2....2....2....1....1....3....6....5....3....3....3
..4....2....0....6....3....0....1....0....5....4....4....3....6....6....4....2
CROSSREFS
Sequence in context: A264708 A094059 A171202 * A360575 A304400 A174845
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 18 2014
STATUS
approved

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Last modified July 20 23:17 EDT 2024. Contains 374461 sequences. (Running on oeis4.)