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A240158
Number of 6Xn 0..3 arrays with no element equal to one 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
0
15, 144, 825, 22412, 108201, 1608415, 12812998, 70360014, 694603093, 4788445889, 30873934965
OFFSET
1,1
COMMENTS
Row 6 of A240153
EXAMPLE
Some solutions for n=3
..3..2..3....3..2..3....2..2..3....2..2..3....3..3..2....2..2..3....3..3..2
..3..2..1....3..1..2....0..2..1....0..2..1....2..1..2....0..2..2....2..1..2
..2..2..3....2..1..3....2..2..3....2..2..3....0..0..3....0..3..3....0..0..2
..2..0..1....2..2..3....0..2..2....0..2..1....0..2..1....0..2..2....0..3..1
..0..0..2....0..2..2....0..0..3....0..2..2....0..2..2....0..3..1....3..3..1
..2..0..2....0..0..3....3..2..3....2..0..2....0..0..2....0..2..1....3..2..3
CROSSREFS
Sequence in context: A291619 A071700 A133126 * A255944 A243418 A270511
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 02 2014
STATUS
approved