A240326 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4

14, 213, 8091, 189549, 3898804, 113751796, 2343565571, 58754628922, 1550370290554, 33299137997969, 861337519232031, 21016117833481545, 474930037525217349, 12220742975175544998, 287468219917419510614

Offset

1,1

Comments

Column 6 of A240327

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A004369 A239284 A241260 * A202976 A331494 A208430

Adjacent sequences: A240323 A240324 A240325 * A240327 A240328 A240329

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved