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

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

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