A275130 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.

365, 4096, 10077, 48451, 412306, 3586068, 31446544, 276145917, 2432426709, 21443562178, 188954647355, 1664477862236, 14666416028009, 129260090882281, 1139083482681178, 10037066997078506, 88448338430227606, 779467930298530878

Offset: 1

Author

R. H. Hardin, Jul 17 2016

Keywords

• nonn

Comments

Column 7 of A275131.

Examples

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

Links

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

Crossrefs

Cf. A275131.