A239410 Number of 6Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4

156, 20818, 2590704, 326882784, 40566958960, 5072216819342, 630657074443394, 78666433617260802, 9791612259389470778, 1220385596630190836830, 151973853622892194440357, 18935435888110044394225594

Offset

1,1

Comments

Row 6 of A239405

Links

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

Example

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

Crossrefs

Sequence in context: A035824 A252778 A006112 * A216788 A239338 A028675

Adjacent sequences: A239407 A239408 A239409 * A239411 A239412 A239413

Keyword

nonn

Author

R. H. Hardin, Mar 17 2014

Status

approved