A206794 Number of nX5 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

883, 779689, 420657877, 222851712982, 120305843593958, 65062863493632615, 35167047469699730422, 19004801554874439636884, 10270327007308337981249938, 5550227464430262903036046771, 2999437616268613754031487694079

Offset

1,1

Comments

Column 5 of A206797

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

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

Crossrefs

Sequence in context: A129471 A023312 A129469 * A206964 A209089 A207131

Adjacent sequences: A206791 A206792 A206793 * A206795 A206796 A206797

Keyword

nonn

Author

R. H. Hardin Feb 12 2012

Status

approved