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

1,1

Comments

Column 7 of A241108

Links

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

Example

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

Crossrefs

Sequence in context: A194652 A330481 A240892 * A248072 A247998 A208707

Adjacent sequences: A241104 A241105 A241106 * A241108 A241109 A241110

Keyword

nonn

Author

R. H. Hardin, Apr 16 2014

Status

approved