A224278 Number of nX5 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing

296, 17723, 442089, 8073038, 137489538, 2425304290, 45275725025, 883012703273, 17667432461262, 358042017265316, 7298750316970616, 149179000331610043, 3052840234754205390, 62514535525552969948, 1280625241031012026560

Offset

1,1

Comments

Column 5 of A224281

Links

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

Example

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

Crossrefs

Sequence in context: A223984 A224061 A224047 * A224201 A223809 A223759

Adjacent sequences: A224275 A224276 A224277 * A224279 A224280 A224281

Keyword

nonn

Author

R. H. Hardin Apr 02 2013

Status

approved