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A247930 Number of length 3+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum 1
128, 1387, 9248, 38753, 118416, 298267, 663080, 1325773, 2465828, 4259939, 6992604, 10953817, 16546088, 24138007, 34297436, 47561717, 64624896, 86117179, 112957460, 146057797, 186370556, 235008095, 293220048, 362275861, 443688080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A247927

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..83

EXAMPLE

Some solutions for n=5

..3....4....0....3....4....3....1....0....2....2....1....1....1....1....3....1

..3....4....0....2....3....1....1....1....1....5....3....4....5....1....2....0

..3....4....0....3....5....2....0....2....1....2....2....3....1....5....2....3

..5....3....3....0....4....2....0....1....2....2....4....2....0....4....4....4

..5....4....3....2....4....1....2....4....4....5....1....1....5....0....1....5

..5....3....0....4....5....0....3....2....3....5....3....3....4....0....3....2

..3....4....4....3....3....3....5....5....4....1....1....2....2....4....3....0

CROSSREFS

Sequence in context: A181211 A221071 A070055 * A200842 A187706 A202961

Adjacent sequences:  A247927 A247928 A247929 * A247931 A247932 A247933

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 26 2014

STATUS

approved

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Last modified September 25 02:25 EDT 2021. Contains 347651 sequences. (Running on oeis4.)