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

1,2

Comments

Column 7 of A200329

Links

Table of n, a(n) for n=1..24.

Example

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

Crossrefs

Sequence in context: A096786 A114527 A345089 * A363031 A108058 A322410

Adjacent sequences: A200325 A200326 A200327 * A200329 A200330 A200331

Keyword

nonn

Author

R. H. Hardin Nov 16 2011

Status

approved