A212934 Number of 5 X n 0..n-1 arrays with no column j greater than column j-1 in all rows.

1, 1023, 14230810, 1075113010175, 285912852294921876, 207406617181155352354002, 346763870885473008105706659876, 1185276120077816152516945331537683455

Offset

1,2

Comments

Row 5 of A212930.

Links

R. H. Hardin, Table of n, a(n) for n = 1..15

Example

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

Crossrefs

Cf. A212930.

Sequence in context: A069385 A069411 A069437 * A263168 A336779 A030001

Adjacent sequences: A212931 A212932 A212933 * A212935 A212936 A212937

Keyword

nonn

Author

R. H. Hardin May 31 2012

Status

approved