A238773 Number of nX6 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it

164, 21132, 3044922, 432845880, 60277582112, 8524103612876, 1196624830872094, 168396084501288492, 23680768603975178514, 3331020788759644930084, 468469415929532646412296, 65893254772438271888320118

Offset

1,1

Comments

Column 6 of A238775

Links

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

Example

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

Crossrefs

Sequence in context: A229369 A229388 A035826 * A289332 A300057 A197440

Adjacent sequences: A238770 A238771 A238772 * A238774 A238775 A238776

Keyword

nonn

Author

R. H. Hardin, Mar 05 2014

Status

approved