A224047 Number of nX5 0..3 arrays with rows and columns unimodal and antidiagonals nondecreasing

296, 17723, 376734, 4646480, 41991129, 310514900, 1999959111, 11666303576, 63064614327, 319676018383, 1527645330800, 6898951459856, 29492315195008, 119554362889697, 460533210896643, 1689732709960111, 5919921112242653

Offset

1,1

Comments

Column 5 of A224050

Links

R. H. Hardin, Table of n, a(n) for n = 1..163

R. H. Hardin, Empirical polynomial of degree 30

Formula

Empirical polynomial of degree 30 (see link above)

Example

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

Crossrefs

Sequence in context: A223861 A223984 A224061 * A224278 A224201 A223809

Adjacent sequences: A224044 A224045 A224046 * A224048 A224049 A224050

Keyword

nonn

Author

R. H. Hardin Apr 01 2013

Status

approved