A224279 Number of nX6 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing

610, 59792, 2059793, 44901359, 817075668, 14587480744, 274116529912, 5481124776302, 115036474923900, 2489043013161042, 54774515108860284, 1216015762754882736, 27117272628943751854, 606168132402047719588

Offset

1,1

Comments

Column 6 of A224281

Links

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

Example

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

Crossrefs

Sequence in context: A223985 A224062 A224048 * A224202 A232323 A264070

Adjacent sequences: A224276 A224277 A224278 * A224280 A224281 A224282

Keyword

nonn

Author

R. H. Hardin Apr 02 2013

Status

approved