A206955 Number of n X 6 0..2 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.

529, 279841, 77359677, 20694430627, 5791955969105, 1627105474024831, 455424052435622710, 127415469361104045376, 35660555119587820948873, 9981129255257517818294172, 2793527706022549350443155754

Offset

1,1

Comments

Column 6 of A206957.

Links

R. H. Hardin, Table of n, a(n) for n = 1..96

Example

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

Crossrefs

Cf. A206957.

Sequence in context: A156573 A034987 A206861 * A207987 A207219 A213700

Adjacent sequences: A206952 A206953 A206954 * A206956 A206957 A206958

Keyword

nonn

Author

R. H. Hardin, Feb 13 2012

Status

approved