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A247400 Number of length n+4 0..4 arrays with no disjoint pairs in any consecutive five terms having the same sum 1
760, 1544, 3200, 6752, 14456, 31240, 69976, 158392, 359320, 812952, 1829160, 4143352, 9440664, 21556600, 49120856, 111398648, 252748504, 575187704, 1311886744, 2991128696, 6801264184, 15449413384, 35134365976, 80031107576 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A247404
LINKS
FORMULA
Empirical recurrence of order 68 (see link above)
EXAMPLE
Some solutions for n=6
..0....0....4....2....4....0....2....0....3....4....4....3....0....4....3....0
..2....1....1....4....4....4....3....2....0....4....4....4....0....0....2....2
..0....4....4....4....0....0....4....0....0....0....0....0....4....4....0....0
..3....2....0....3....1....3....4....1....2....1....3....2....0....4....0....0
..4....4....2....0....2....0....0....0....4....2....4....0....1....3....0....3
..0....0....0....2....4....2....4....0....3....4....4....1....0....4....1....4
..2....4....0....4....4....0....2....3....0....0....2....4....0....0....4....0
..0....4....3....0....4....0....1....0....0....4....0....0....3....4....2....0
..3....2....0....1....0....1....0....4....2....3....3....0....0....4....4....0
..0....1....1....4....3....0....0....0....4....4....0....2....1....3....0....3
CROSSREFS
Sequence in context: A157983 A014747 A258135 * A234892 A233879 A165629
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 16 2014
STATUS
approved

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Last modified March 28 17:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)