A241260 Number of 6Xn 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4

14, 212, 606, 2570, 25190, 124372, 752717, 6264519, 34987493, 251554523, 1844399721, 11715976551

Offset

1,1

Comments

Row 6 of A241255

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A097183 A004369 A239284 * A240326 A202976 A331494

Adjacent sequences: A241257 A241258 A241259 * A241261 A241262 A241263

Keyword

nonn

Author

R. H. Hardin, Apr 18 2014

Status

approved