A249461 Number of length n+4 0..3 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four

860, 2948, 10124, 34832, 119932, 412972, 1422232, 4898776, 16874830, 58131580, 200257200, 689871586, 2376578686, 8187255382, 28204984386, 97165888404, 334735779168, 1153163060226, 3972642458048, 13685741942400, 47147347303294

Offset

1,1

Comments

Column 3 of A249466

Links

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

Example

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

Crossrefs

Sequence in context: A187281 A108822 A278156 * A292626 A115749 A105323

Adjacent sequences: A249458 A249459 A249460 * A249462 A249463 A249464

Keyword

nonn

Author

R. H. Hardin, Oct 29 2014

Status

approved