A240283 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4

8, 741, 20764, 443168, 13490093, 281488213, 8199368365, 225885684501, 5291794810655, 154532568331772, 3942966914718387, 100514669722453440, 2799309114801417209, 70561458133827649660, 1875054289432696736342

Offset

1,1

Comments

Column 6 of A240284

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

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

Crossrefs

Sequence in context: A271741 A254857 A058921 * A181153 A184974 A060183

Adjacent sequences: A240280 A240281 A240282 * A240284 A240285 A240286

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved