A200328 Number of 0..7 arrays x(0..n+2) of n+3 elements with zero n-1st differences.

1, 8, 14, 20, 28, 26, 18, 16, 30, 34, 44, 42, 16, 44, 54, 98, 168, 248, 76, 54, 30, 12, 18, 28

Offset: 1

Author

R. H. Hardin Nov 16 2011

Keywords

• nonn

Comments

Column 7 of A200329

Examples

			Some solutions for n=6
..7....1....5....5....3....0....0....2....0....7....1....1....2....2....0....6
..5....1....5....0....3....2....7....0....6....1....5....0....6....7....2....7
..5....1....5....0....3....2....7....2....7....0....6....1....7....7....5....6
..5....1....5....2....3....2....5....5....6....1....5....2....6....5....7....5
..4....1....5....4....3....3....4....7....5....2....3....2....4....3....7....5
..2....1....5....5....3....5....5....7....5....2....1....1....2....2....5....6
..0....1....5....5....3....7....7....5....6....1....0....0....1....2....2....7
..0....1....5....5....3....7....7....2....7....0....1....1....2....2....0....6
..5....1....5....7....3....2....0....0....6....1....5....7....6....0....2....0