A241287 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

56, 139, 1615, 6783, 20717, 451318, 1543713, 8288114, 79113707, 276340333, 1878731208, 14642190232, 59010752583, 404841299508, 2875913561864, 13757588225177, 90753330244908, 606550462257317, 3111205949073436

Offset

1,1

Comments

Row 5 of A241283

Links

R. H. Hardin, Table of n, a(n) for n = 1..20

Example

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

Crossrefs

Sequence in context: A107937 A044307 A044688 * A201096 A358540 A358860

Adjacent sequences: A241284 A241285 A241286 * A241288 A241289 A241290

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved