A206574 Number of nX5 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal

882, 777924, 478456896, 290967246344, 176372042982658, 106921561045262424, 64829265966214645776, 39306166321588974667092, 23830450089557555202846497, 14447747775590219278502903910, 8759230508354654974219180831199

Offset

1,1

Comments

Column 5 of A206577

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

Some solutions for n=4
..3..2..3..0..1....0..0..2..1..1....2..2..0..1..2....0..0..2..0..0
..1..1..1..3..1....0..2..1..0..1....3..2..0..1..2....1..1..3..3..0
..2..3..0..1..3....0..2..2..1..0....1..1..0..0..2....3..1..1..3..2
..0..0..2..3..0....3..1..0..1..0....1..3..3..1..2....1..1..1..0..3

Crossrefs

Sequence in context: A089519 A206977 A206971 * A207579 A207054 A096992

Adjacent sequences: A206571 A206572 A206573 * A206575 A206576 A206577

Keyword

nonn

Author

R. H. Hardin Feb 09 2012

Status

approved