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A248488 Number of length n+5 0..7 arrays with some three disjoint pairs in each consecutive six terms having the same sum. 1
18568, 24208, 33520, 48808, 73868, 114924, 182304, 300546, 498444, 827778, 1373266, 2273612, 3756406, 6341934, 10665140, 17860452, 29785700, 49476904, 81918892, 138414790, 232833920, 389934374, 650254010, 1080005728, 1788097360 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A248489.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=6

..2....4....1....2....5....5....1....3....6....1....6....1....6....2....4....2

..3....3....5....5....4....4....3....3....7....4....4....3....5....3....5....3

..2....2....4....3....1....7....3....5....2....2....6....7....1....2....2....4

..4....1....0....0....6....6....4....2....5....3....2....5....3....2....7....3

..1....3....2....1....2....3....5....4....3....3....4....6....4....2....6....1

..3....5....6....4....3....5....2....1....4....5....2....2....2....1....3....2

..2....4....1....2....5....2....1....3....6....1....0....4....6....2....4....2

..3....6....5....5....4....1....3....6....7....4....4....3....5....3....5....0

..5....2....4....3....7....4....3....5....5....2....6....1....4....2....2....1

..4....1....3....6....6....0....4....2....2....0....2....5....3....2....1....3

..4....3....2....1....5....3....5....4....3....6....4....3....1....2....6....4

CROSSREFS

Cf. A248489.

Sequence in context: A236816 A229076 A157740 * A237700 A248065 A283934

Adjacent sequences:  A248485 A248486 A248487 * A248489 A248490 A248491

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 07 2014

STATUS

approved

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Last modified October 23 04:06 EDT 2021. Contains 348211 sequences. (Running on oeis4.)