A241106 Number of nX6 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

16, 376, 7846, 162776, 3374086, 70145916, 1454236806, 30189380016, 626548445696, 13004327687556, 269904513767276, 5601924832399656, 116268494681555446, 2413172096267222836, 50085748850277170776, 1039537719846439186376

Offset

1,1

Comments

Column 6 of A241108

Links

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

R. H. Hardin, Empirical recurrence of order 76

Formula

Empirical recurrence of order 76 (see link above)

Example

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

Crossrefs

Sequence in context: A264186 A240458 A240891 * A027403 A264073 A333581

Adjacent sequences: A241103 A241104 A241105 * A241107 A241108 A241109

Keyword

nonn

Author

R. H. Hardin, Apr 16 2014

Status

approved