A241361 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the 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

15, 5, 124, 624, 2062, 35880, 247664, 921726, 10840453, 85630246, 402667023, 5025751755, 34251076327

Offset

1,1

Comments

Row 6 of A241356

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Sequence in context: A147224 A147060 A110791 * A249996 A128251 A292307

Adjacent sequences: A241358 A241359 A241360 * A241362 A241363 A241364

Keyword

nonn

Author

R. H. Hardin, Apr 20 2014

Status

approved