A218527 Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 6Xn array

4096, 63592, 20655650, 1884162624, 300890728324, 40522780697742, 5977895789290552, 864832910760902306

Offset

1,1

Comments

Row 6 of A218522

Links

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

Example

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

Crossrefs

Sequence in context: A220766 A272914 A016996 * A017068 A221489 A017260

Adjacent sequences: A218524 A218525 A218526 * A218528 A218529 A218530

Keyword

nonn

Author

R. H. Hardin Oct 31 2012

Status

approved