A268166 - OEIS

A268166

Number of nX3 0..3 arrays with every repeated value in every row and column one larger mod 4 than the previous repeated value, and upper left element zero.

15, 900, 44517, 2059071, 88808673, 3660830427, 145301219913, 5600451934263, 210693318976809, 7769692483541913, 281740543748278353, 10071425144186095647, 355636339335520541583, 12425488243555670885277

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

OFFSET

1,1

COMMENTS

Column 3 of A268169.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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