A219470 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX7 array

84, 2663, 674954, 157191488, 29873644925, 4758315482104, 664221777830589, 85045859176792827

Offset

1,1

Comments

Column 7 of A219471

Links

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

Example

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

Crossrefs

Sequence in context: A221010 A219584 A140903 * A219372 A026809 A114253

Adjacent sequences: A219467 A219468 A219469 * A219471 A219472 A219473

Keyword

nonn

Author

R. H. Hardin Nov 20 2012

Status

approved