A249879 Number of length n+6 0..4 arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms

40740, 136010, 463880, 1599494, 5545760, 19280050, 67100334, 233536170, 815743709, 2851383464, 9968776923, 34851713656, 121833022602, 425845518315, 1488332695880, 5204198276461, 18200494366672, 63655428624786

Offset

1,1

Comments

Column 4 of A249883

Links

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

Example

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

Crossrefs

Sequence in context: A250955 A334004 A097238 * A046180 A031668 A164648

Adjacent sequences: A249876 A249877 A249878 * A249880 A249881 A249882

Keyword

nonn

Author

R. H. Hardin, Nov 07 2014

Status

approved