A213461 Number of 0..3 arrays of length n+9 with sum less than 15 in any length 10 subsequence (=less than 50% duty cycle)

466136, 1568984, 5444644, 19105020, 67329406, 237475982, 836356119, 2935825527, 10254646515, 35582811585, 122434373801, 422379318044, 1462308785872, 5075439138225, 17643670747421, 61385086115242, 213624545918282

Offset

1,1

Comments

Column 5 of A213464

Links

R. H. Hardin, Table of n, a(n) for n = 1..61

Example

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

Crossrefs

Sequence in context: A251980 A206759 A257951 * A051594 A238045 A341152

Adjacent sequences: A213458 A213459 A213460 * A213462 A213463 A213464

Keyword

nonn

Author

R. H. Hardin Jun 12 2012

Status

approved