A204210 Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than 5

1, 6, 36, 271, 2181, 18583, 164255, 1493142, 13868334, 131040555, 1255641305, 12172468671, 119167633383, 1176491130191, 11699794149335, 117092364762013, 1178452895921961, 11919463485729722, 121096865173987004

Offset

1,2

Comments

Column 5 of A204213

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..2....3....5....3....4....0....5....4....2....3....4....3....4....5....4....1
..2....1....9....1....7....4....7....8....5....3....3....6....3....2....1....3
..1....1....7....3....5....3....8....5....8....7....6....1....2....3....0....3
..4....0....3....2....5....2....4....0....4....5....1....0....1....2....2....3
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

Crossrefs

Sequence in context: A299330 A335811 A144892 * A366436 A318564 A259818

Adjacent sequences: A204207 A204208 A204209 * A204211 A204212 A204213

Keyword

nonn

Author

R. H. Hardin Jan 12 2012

Status

approved