A206897 Number of nX5 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal

936, 876096, 649804846, 491471001691, 369048436354154, 277547203982336971, 208677027839980986946, 156908217690570873253816, 117980788233943361713539306, 88711174108864407139043735195

Offset

1,1

Comments

Column 5 of A206900

Links

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

Example

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

Crossrefs

Sequence in context: A282546 A206843 A206835 * A207287 A176376 A031902

Adjacent sequences: A206894 A206895 A206896 * A206898 A206899 A206900

Keyword

nonn

Author

R. H. Hardin Feb 13 2012

Status

approved