A240402 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4

3, 14, 77, 235, 1381, 5566, 21413, 114951, 447479, 1942846, 9296148, 37136986, 169442132, 756650294, 3157572233, 14387587626, 62384424058, 269023025478, 1206596042127, 5204663585354, 22811833314490, 100879086151468

Offset

1,1

Comments

Column 3 of A240406

Links

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

Example

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

Crossrefs

Sequence in context: A198621 A198649 A198656 * A048779 A369477 A052186

Adjacent sequences: A240399 A240400 A240401 * A240403 A240404 A240405

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved