A240300 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4

8, 552, 38252, 1867678, 109846410, 5231971212, 293426742772, 13801832416866, 759715839764950, 35634588553024958, 1943313148670752362, 91218711143159714774

Offset

1,1

Comments

Row 6 of A240295

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A181682 A248331 A301950 * A240432 A275932 A058045

Adjacent sequences: A240297 A240298 A240299 * A240301 A240302 A240303

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved