A231130 Number of (n+1)X(7+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

328, 16368, 924900, 50257244, 2766762720, 151928497692, 8349491299560, 458819265958556, 25213940794848972, 1385606097689928700, 76144709459504461524, 4184463747005748346676, 229953456825043397843448

Offset: 1

Author

R. H. Hardin, Nov 04 2013

Keywords

• nonn

Comments

Column 7 of A231131

Examples

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

Links

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