A223814 Number of nX5 0..2 arrays with row sums nondecreasing and column sums unimodal

86, 9783, 921010, 76453838, 5767953144, 405333095737, 26977674423993, 1720880680824848, 106119501516207457, 6367010698793138060

Offset

1,1

Comments

Column 5 of A223815

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A321011 A093286 A093243 * A262419 A220473 A067157

Adjacent sequences: A223811 A223812 A223813 * A223815 A223816 A223817

Keyword

nonn

Author

R. H. Hardin Mar 27 2013

Status

approved