A207212 Number of 6Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

523, 273529, 58023139, 12412097426, 2765632587041, 619075354969204, 139281562211310598, 31362497509282851953, 7067965819921068380851, 1593067527951594201161071, 359113371032101783367353820

Offset

1,1

Comments

Row 6 of A207208

Links

R. H. Hardin, Table of n, a(n) for n = 1..29

Example

Some solutions for n=5
..2..1..0..0..2....2..0..1..2..0....1..0..0..0..0....1..2..1..0..1
..1..1..0..2..1....2..1..0..2..1....1..2..1..0..0....2..1..2..1..0
..2..0..2..0..2....0..1..2..2..1....0..0..0..2..2....1..2..1..2..1
..2..1..1..1..0....2..0..2..2..0....2..2..1..1..1....1..1..1..0..2
..0..1..2..2..0....0..0..2..1..2....2..0..1..2..2....0..1..0..1..2
..0..0..2..0..2....0..2..2..0..2....1..1..1..1..0....0..0..0..2..1

Crossrefs

Sequence in context: A209875 A080912 A183830 * A207206 A206732 A207356

Adjacent sequences: A207209 A207210 A207211 * A207213 A207214 A207215

Keyword

nonn

Author

R. H. Hardin Feb 15 2012

Status

approved