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A248452 Number of length 4+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum 1
136, 7116, 133872, 1166348, 6729772, 29135376, 102662460, 309407104, 826209396, 2001072604, 4474375652, 9359308356, 18502642052, 34848697904, 62937664056, 109564592568, 184647595344, 302339038260, 482432513584, 752123193756 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A248448

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A233102 A249237 A194014 * A035819 A233086 A278185

Adjacent sequences:  A248449 A248450 A248451 * A248453 A248454 A248455

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 06 2014

STATUS

approved

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Last modified September 22 16:50 EDT 2020. Contains 337291 sequences. (Running on oeis4.)