A254694 Number of length n+4 0..4 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms

1205, 3341, 9507, 26759, 72271, 183491, 489135, 1335839, 3667545, 10039379, 27181211, 73888637, 202404193, 556519333, 1531160805, 4209564311, 11579591827, 31920552169, 88160917963, 243693021765, 673890012093, 1864390340109

Offset

1,1

Comments

Column 4 of A254698

Links

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

Example

Some solutions for n=6
..1....1....2....2....2....0....1....0....0....1....1....0....2....1....1....1
..1....4....2....0....0....3....4....4....2....0....1....3....1....0....2....1
..1....2....3....4....1....3....2....0....4....3....1....2....0....1....3....0
..2....2....2....3....1....4....1....3....1....1....1....2....1....0....2....4
..1....2....3....2....2....3....0....0....1....4....3....3....4....0....2....3
..1....0....2....2....1....3....1....0....1....1....1....1....1....0....1....1
..0....4....2....0....1....4....4....0....1....1....0....4....3....0....3....1
..4....2....2....2....3....3....1....1....1....1....3....2....1....3....2....1
..1....4....1....2....0....3....1....3....4....1....1....2....1....0....2....4
..4....2....3....2....1....0....3....0....0....1....4....3....1....4....2....3

Crossrefs

Sequence in context: A210015 A259521 A190031 * A279983 A187862 A186864

Adjacent sequences: A254691 A254692 A254693 * A254695 A254696 A254697

Keyword

nonn

Author

R. H. Hardin, Feb 05 2015

Status

approved