A240051 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

14, 119, 1043, 8567, 61858, 640643, 4593632, 35084947, 293231580, 2187027371, 16990132125

Offset

1,1

Comments

Row 6 of A240046

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Sequence in context: A022642 A268446 A221230 * A202072 A280003 A004312

Adjacent sequences: A240048 A240049 A240050 * A240052 A240053 A240054

Keyword

nonn

Author

R. H. Hardin, Mar 31 2014

Status

approved