A277766 Number of nX7 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

0, 1584, 220549, 221983169, 110036582827, 67079817376928, 38224184451654485, 22257182633194608078, 12869705874813306766481, 7458446559929491293690613, 4319259920844964071189461906, 2501924582698962860252708115060

Offset: 1

Author

R. H. Hardin, Oct 29 2016

Keywords

• nonn

Comments

Column 7 of A277767.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..17

Crossrefs

Cf. A277767.