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

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

Crossrefs

Cf. A268169.

Sequence in context: A211109 A249963 A157462 * A042747 A324423 A261067

Adjacent sequences: A268163 A268164 A268165 * A268167 A268168 A268169

Keyword

nonn

Author

R. H. Hardin, Jan 27 2016

Status

approved