A275227 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,0) and new values introduced in order 0..2.

365, 46656, 58301, 441090, 6380362, 92831330, 1368326231, 20887845278, 319348056936, 4865299894416, 74341935372850, 1138486477148165, 17435551839365877, 267037909717137282, 4091456524318196661

Offset: 1

Author

R. H. Hardin, Jul 20 2016

Keywords

• nonn

Comments

Column 7 of A275228.

Examples

			Some solutions for n=3
..0..1..0..1..2..2..0. .0..0..0..0..0..0..0. .0..1..0..1..0..2..0
..2..2..2..2..1..0..2. .1..2..1..1..1..2..1. .2..0..2..2..1..0..2
..0..1..0..1..0..1..1. .2..1..2..2..2..1..2. .0..1..0..1..0..1..1
		

Links

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

Crossrefs

Cf. A275228.