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A248986 Number of length n+4 0..7 arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two 1
5028, 7964, 12644, 20128, 32094, 51166, 86800, 147582, 250880, 425828, 720138, 1273450, 2248778, 3960786, 6947868, 12117086, 21840962, 39264144, 70332606, 125391740, 222194472, 403889704, 732101414, 1322338468, 2377963158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A248987

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A112139 A188241 A252162 * A013534 A309034 A237690

Adjacent sequences:  A248983 A248984 A248985 * A248987 A248988 A248989

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 18 2014

STATUS

approved

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Last modified August 4 17:18 EDT 2020. Contains 336202 sequences. (Running on oeis4.)