A250423 Number of length 6+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero

72, 1061, 7504, 34415, 119364, 341011, 845358, 1878315, 3826222, 7263401, 13006830, 22184249, 36304264, 57333585, 87793296, 130863267, 190475904, 271446215, 379605094, 521929211, 706693318, 943642869, 1244141718, 1621385877

Offset

1,1

Comments

Row 6 of A250419

Links

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

Example

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

Crossrefs

Sequence in context: A373649 A210627 A019562 * A250650 A008399 A232573

Adjacent sequences: A250420 A250421 A250422 * A250424 A250425 A250426

Keyword

nonn

Author

R. H. Hardin, Nov 22 2014

Status

approved