A206792 - OEIS

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A206792

Number of nX3 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

61, 3721, 180446, 8683735, 420657877, 20388622016, 988006480837, 47875604265753, 2319909967411854, 112416368647596277, 5447383252826053743, 263964878153391214108, 12790995849530364514091, 619815723744309803868951

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A206797

LINKS

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

EXAMPLE

Some solutions for n=4

..1..0..2....0..0..3....3..2..2....2..1..2....0..0..3....2..0..3....1..1..0

..3..2..1....0..1..1....0..2..3....3..0..1....2..3..1....0..2..0....3..2..3

..1..0..3....2..1..2....3..0..1....3..0..0....1..2..0....3..1..1....3..0..0