A241303 Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4

6, 25, 74, 330, 1145, 4499, 15827, 58043, 209838, 757771, 2745263, 9924295, 35873441, 129961622, 469870606, 1700617363, 6154480549, 22269120491, 80588613827, 291628152979, 1055299289297, 3818925623420, 13819524339631

Offset

1,1

Comments

Column 4 of A241306

Links

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

Example

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

Crossrefs

Sequence in context: A354392 A211911 A339194 * A278473 A281157 A346975

Adjacent sequences: A241300 A241301 A241302 * A241304 A241305 A241306

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved