A200078 Number of 0..4 arrays x(0..n) of n+1 elements with zero n-1st differences.

1, 5, 9, 17, 27, 37, 85, 169, 151, 219, 533, 1553, 2333, 4197, 2607, 2419, 6343, 25235, 55337, 113875, 35671

Offset: 1

Author

R. H. Hardin Nov 13 2011

Keywords

• nonn

Comments

Column 4 of A200082

Examples

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