A241354 Number of nX6 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 one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4

14, 53, 230, 1721, 6307, 35880, 183400, 763750, 4110488, 18352240, 83810292, 417928329, 1791097147, 8714733830, 40609374842, 179584055937

Offset

1,1

Comments

Column 6 of A241356

Links

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

Example

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

Crossrefs

Sequence in context: A217077 A365199 A214659 * A240811 A118856 A118530

Adjacent sequences: A241351 A241352 A241353 * A241355 A241356 A241357

Keyword

nonn

Author

R. H. Hardin, Apr 20 2014

Status

approved