A240254 Number of 5Xn 0..3 arrays with no element equal to the sum of elements to its left or the sum of the elements above it or the sum of the elements diagonally to its northwest or the sum of the elements antidiagonally to its northeast, modulo 4

72, 0, 122, 2152, 17476, 246458, 2077950, 38186418, 396423206, 10930075802

Offset

1,1

Comments

Row 5 of A240250

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A093176 A332841 A057384 * A375942 A228095 A373705

Adjacent sequences: A240251 A240252 A240253 * A240255 A240256 A240257

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved