A184128 Number of nX8 0..3 arrays with rows and columns in nondecreasing order.

165, 419213, 5503143135, 105444472863183, 1812407940171867666, 25543138074385245659345, 298254428253388683225868035, 2957950981271006387648141644093

Offset

1,1

Comments

Column 8 of A184129

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for 3X8
..0..0..0..0..0..0..1..1....0..0..0..0..0..0..3..3....0..0..0..0..0..0..0..2
..0..0..0..0..0..2..1..3....0..0..0..0..0..2..0..3....0..0..0..0..0..1..3..1
..0..0..0..0..2..2..0..1....0..0..0..0..0..2..3..1....0..0..0..0..3..1..2..1

Crossrefs

Sequence in context: A184287 A233466 A203183 * A015982 A065210 A261261

Adjacent sequences: A184125 A184126 A184127 * A184129 A184130 A184131

Keyword

nonn

Author

R. H. Hardin, Jan 09 2011

Status

approved