A200325 Number of 0..4 arrays x(0..n+2) of n+3 elements with zero n-1st differences

1, 5, 5, 5, 5, 5, 5, 5, 5, 9, 11, 11, 7, 7, 11, 17, 13, 7, 5, 5, 5

Offset

1,2

Comments

Column 4 of A200329

Links

Table of n, a(n) for n=1..21.

Example

All solutions for n=10
..0....3....0....4....4....0....4....2....1
..4....3....0....0....0....4....4....2....1
..0....3....0....1....4....3....4....2....1
..1....3....0....3....3....1....4....2....1
..3....3....0....3....1....1....4....2....1
..3....3....0....2....1....2....4....2....1
..2....3....0....2....2....2....4....2....1
..2....3....0....3....2....1....4....2....1
..3....3....0....3....1....1....4....2....1
..3....3....0....1....1....3....4....2....1
..1....3....0....0....3....4....4....2....1
..0....3....0....4....4....0....4....2....1
..4....3....0....0....0....4....4....2....1

Crossrefs

Sequence in context: A341028 A341034 A341035 * A372613 A355588 A289119

Adjacent sequences: A200322 A200323 A200324 * A200326 A200327 A200328

Keyword

nonn

Author

R. H. Hardin Nov 16 2011

Status

approved