A212948 - OEIS

A212948

Number of 6Xn 0..n-1 arrays with no column j greater than or equal to than column j-1 in all rows

1, 3367, 320396041, 232665778445031, 764898125476357657001, 8389667096561737605103329223, 250841509251155966625680184691562929, 17704338387777976852462465598115049461004519

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row 6 of A212943

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for n=4

..1..3..2..2....2..0..0..0....1..3..2..3....3..2..1..3....3..2..0..2

..1..1..3..2....0..1..0..1....1..0..0..1....0..3..1..0....3..2..3..3

..0..1..0..3....3..3..3..2....1..1..1..2....2..1..0..3....2..3..0..0

..3..1..3..2....3..0..3..0....2..3..0..3....3..3..3..3....1..2..3..2

..2..1..1..2....2..0..2..2....3..0..0..3....2..1..3..1....2..0..2..1

..2..0..1..3....3..0..0..0....3..3..2..1....3..0..0..1....0..1..2..1

CROSSREFS

Sequence in context: A265625 A014441 A293651 * A204471 A139778 A346025

Adjacent sequences: A212945 A212946 A212947 * A212949 A212950 A212951

KEYWORD

nonn

AUTHOR

R. H. Hardin May 31 2012

STATUS

approved