A206837 Number of nX7 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

14124, 199487376, 1745398353572, 15877946803718090, 141405314141528391344, 1266270368466567536724535

Offset

1,1

Comments

Column 7 of A206838

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for n=5
..1..3..1..1..0..1..3....1..2..2..1..2..1..2....1..0..1..3..1..0..2
..0..1..3..1..0..1..1....1..3..1..0..1..3..2....1..0..1..3..1..1..1
..0..2..1..3..1..3..1....1..3..3..2..3..2..1....2..3..1..0..3..1..1
..0..1..3..0..0..3..3....0..0..2..0..0..2..1....2..0..3..0..1..3..0
..0..0..3..1..0..0..2....3..0..0..1..0..0..0....1..0..3..2..0..3..3

Crossrefs

Sequence in context: A263911 A215019 A206845 * A206899 A207289 A249192

Adjacent sequences: A206834 A206835 A206836 * A206838 A206839 A206840

Keyword

nonn

Author

R. H. Hardin Feb 13 2012

Status

approved