A249000 Number of length n+4 0..7 arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two

27740, 189660, 1298968, 8902860, 61034658, 418454994, 2869206494, 19673497892, 134897701458, 924972633722, 6342399495490, 43489021952576, 298198855766202, 2044713089447888, 14020347915273238, 96135813057541116, 659191600029773658

Offset

1,1

Comments

Column 7 of A249001

Links

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

Example

Some solutions for n=2
..4....4....1....1....6....4....6....0....4....0....4....0....6....6....6....4
..5....1....4....4....4....6....1....0....1....2....3....7....0....6....0....3
..4....2....2....4....5....1....7....7....1....1....6....7....6....6....7....3
..0....3....6....5....3....0....0....7....0....6....5....3....1....5....5....6
..5....6....4....3....4....7....3....1....3....0....3....0....6....1....3....2
..4....7....0....0....5....7....3....2....6....0....4....2....3....4....6....3

Crossrefs

Sequence in context: A210161 A358414 A096027 * A058419 A235208 A251494

Adjacent sequences: A248997 A248998 A248999 * A249001 A249002 A249003

Keyword

nonn

Author

R. H. Hardin, Oct 18 2014

Status

approved