A249469 Number of length 3+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four

112, 1140, 10124, 48180, 185982, 565516, 1488294, 3491108, 7479834, 14872588, 27848932, 49534034, 84370308, 138424022, 219934350, 339564798, 511246534, 752562638, 1085714794, 1538310894, 2144026442, 2943704164, 3986818718

Offset

1,1

Comments

Row 3 of A249466

Links

R. H. Hardin, Table of n, a(n) for n = 1..70

Example

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

Crossrefs

Sequence in context: A235311 A008430 A249004 * A234673 A232785 A232850

Adjacent sequences: A249466 A249467 A249468 * A249470 A249471 A249472

Keyword

nonn

Author

R. H. Hardin, Oct 29 2014

Status

approved