A207548 Number of nX6 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.

622, 386884, 156957792, 60409681388, 22310125127129, 8153351029428092, 2964756265273648883, 1076286546346567521098, 390457995759108924185709, 141617212846936717614354649, 51359069670561256115498236262

Offset: 1

Author

R. H. Hardin Feb 18 2012

Keywords

• nonn

Comments

Column 6 of A207550

Examples

			Some solutions for n=4
..2..0..2..2..0..0....1..1..2..2..1..2....2..2..0..0..2..0....0..2..0..2..0..2
..0..2..1..2..2..0....1..1..2..1..1..1....2..2..1..1..2..1....1..0..2..0..2..0
..1..1..2..1..2..2....2..0..1..0..1..0....1..1..0..0..0..0....0..0..0..1..1..0
..0..0..1..0..2..1....1..1..2..0..0..2....2..0..1..0..0..2....1..1..1..0..1..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210