A199260 - OEIS

A199260

Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to exactly one horizontal or vertical neighbor

1, 36, 114, 1240, 5381, 54588, 278570, 2397792, 14900001, 116469925, 780649269, 6006347346, 41989064859, 319129583349, 2307295438172, 17428815517107, 128586800958736, 972215152349757, 7260589438120238, 55045255657803475

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Column 6 of A199261

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..22

EXAMPLE

Some solutions for n=5

..0..0..1..1..2..2....0..0..1..1..2..2....0..1..0..2..1..1....0..0..1..1..2..2

..2..2..0..0..1..1....2..1..0..2..1..1....0..1..0..2..0..0....1..1..0..2..0..1

..1..0..2..1..2..2....2..1..0..2..0..0....2..2..1..1..2..2....2..2..0..2..0..1