A240255 Number of 6Xn 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

164, 0, 368, 8564, 96752, 2043488, 26986182, 807290260, 13612747250

Offset

1,1

Comments

Row 6 of A240250

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A247275 A247276 A127882 * A045006 A245386 A063354

Adjacent sequences: A240252 A240253 A240254 * A240256 A240257 A240258

Keyword

nonn

Author

R. H. Hardin, Apr 03 2014

Status

approved