A249956 Number of length n+5 0..4 arrays with no six consecutive terms having the maximum of any two terms equal to the minimum of the remaining four terms

8790, 31180, 111746, 402010, 1447334, 5207128, 18707320, 67741331, 245362806, 888353351, 3214054074, 11619045815, 41973825395, 151838831019, 549477715623, 1988574285707, 7195624944829, 26029899268167, 94135791585627

Offset

1,1

Comments

Column 4 of A249960

Links

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

Example

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

Crossrefs

Sequence in context: A255751 A254840 A156083 * A031791 A179128 A206213

Adjacent sequences: A249953 A249954 A249955 * A249957 A249958 A249959

Keyword

nonn

Author

R. H. Hardin, Nov 09 2014

Status

approved