A241107 Number of nX7 0..2 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..2 introduced in row major order.

32, 1216, 40418, 1333934, 44030862, 1454236806, 48054344508, 1586763763374, 52415988665902, 1731396543937826, 57192293520907518, 1889201414043365704, 62405079297467322902, 2061398474689109752446, 68093252520609897541958

Offset: 1

Author

R. H. Hardin, Apr 16 2014

Keywords

• nonn

Comments

Column 7 of A241108

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..58