A240424 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4

16, 151, 1312, 11573, 103021, 917629, 8183512, 73035143, 652120094, 5824185148, 52023964262, 464740964686, 4151856643954, 37092619781999, 331391103468630, 2960731960012909, 26452106167539205, 236332337698920871

Offset

1,1

Comments

Column 3 of A240427

Links

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

Example

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

Crossrefs

Sequence in context: A006420 A221422 A049351 * A341391 A225915 A023014

Adjacent sequences: A240421 A240422 A240423 * A240425 A240426 A240427

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved