A220202 Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal, vertical or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 n X 6 array.

56, 333, 10762, 264239, 6316576, 154837661, 3725275252

Offset

1,1

Comments

Column 6 of A220204.

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Cf. A220204.

Sequence in context: A220015 A005912 A264581 * A104677 A156375 A219718

Adjacent sequences: A220199 A220200 A220201 * A220203 A220204 A220205

Keyword

nonn

Author

R. H. Hardin Dec 07 2012

Status

approved