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

Author

R. H. Hardin, Nov 22 2014

Keywords

• nonn

Comments

Row 6 of A250419

Examples

			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
		

Links

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