A250650 Number of length 6+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero

72, 1061, 7696, 34441, 120114, 332827, 812004, 1749359, 3497934, 6469165, 11395070, 19047473, 30746306, 47793245, 72401338, 106583429, 153809996, 217072541, 301491734, 411350415, 553983224, 735181841, 965180792, 1251735269

Offset

1,1

Comments

Row 6 of A250646

Links

R. H. Hardin, Table of n, a(n) for n = 1..55

Example

Some solutions for n=5
..2....1....2....5....5....2....1....0....5....5....1....2....3....4....5....1
..3....0....2....3....0....0....0....2....2....4....0....3....3....3....3....2
..4....3....0....1....4....2....3....5....5....3....2....5....1....1....3....5
..3....3....5....0....1....2....0....2....5....3....4....5....1....0....3....4
..4....2....0....3....0....4....1....3....5....4....5....2....0....5....2....0
..3....0....1....3....3....5....3....2....5....4....2....4....3....4....0....4
..1....2....1....0....1....5....1....0....3....3....5....4....0....3....4....1

Crossrefs

Sequence in context: A210627 A019562 A250423 * A008399 A232573 A022148

Adjacent sequences: A250647 A250648 A250649 * A250651 A250652 A250653

Keyword

nonn

Author

R. H. Hardin, Nov 26 2014

Status

approved