A204703 Number of nX6 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..2 introduced in row major order.

82, 40344, 5767683, 1074195735, 192759130113, 34925753412578, 6319625580942184, 1144097011453760287, 207096410275997210933, 37489155843579834602268, 6786272895764958062549631

Offset: 1

Author

R. H. Hardin Jan 18 2012

Keywords

• nonn

Comments

Column 6 of A204705

Examples

			Some solutions for n=5
..0..1..0..0..1..0....0..0..1..2..0..2....0..0..1..2..0..1....0..0..1..2..2..0
..0..0..1..2..2..0....1..0..2..1..2..1....0..2..2..1..1..2....1..0..0..1..2..1
..2..1..1..2..0..1....2..2..1..2..0..0....2..1..2..0..2..1....0..1..1..2..0..0
..2..2..0..1..2..2....2..2..0..0..1..1....2..1..1..0..1..2....0..0..2..1..0..2
..1..0..0..1..2..0....0..0..1..2..0..2....0..2..1..2..0..2....1..1..2..0..2..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..47