A206860 Number of nX5 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

191, 36481, 3425501, 314918295, 31208037240, 3092914364659, 303316860005399, 29725367062521082, 2918687692387968133, 286698257332823360369, 28152247554788869997756, 2763985738207647315882808

Offset

1,1

Comments

Column 5 of A206863

Links

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

Example

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

Crossrefs

Sequence in context: A209549 A218595 A296580 * A206954 A207986 A207218

Adjacent sequences: A206857 A206858 A206859 * A206861 A206862 A206863

Keyword

nonn

Author

R. H. Hardin Feb 13 2012

Status

approved