A199227 - OEIS

A199227

Number of n X 5 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 zero or one horizontal or vertical neighbors.

15, 739, 10790, 1167274, 49412210, 792389959, 96560931821, 4344228334421, 70560352612852, 9143396401034088, 423459039709699782, 6930757850616949157, 929406888198274113203, 43797877181608849827451, 720360643744861532076328

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

OFFSET

1,1

COMMENTS

Column 5 of A199230.

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=4

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

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

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