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A241440
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 zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4
0
15, 6, 381, 5304, 37148, 377314, 4122537, 29425635, 269064197, 2138370398, 17341166885
OFFSET
1,1
COMMENTS
Row 6 of A241435
EXAMPLE
Some solutions for n=3
..3..3..2....3..3..2....3..2..3....3..3..2....3..3..2....2..2..3....3..2..3
..2..2..2....3..2..0....2..1..3....2..2..0....2..2..2....2..1..3....2..2..3
..3..1..2....2..0..0....3..3..2....3..3..2....3..1..0....3..3..2....3..3..2
..2..2..2....2..0..2....2..0..2....3..2..3....2..0..2....2..2..3....2..2..2
..2..0..0....2..0..0....2..1..2....2..2..3....2..0..2....3..3..2....2..1..2
..2..0..0....2..0..0....3..1..2....3..3..2....2..0..0....2..2..3....2..1..2
CROSSREFS
Sequence in context: A040214 A364351 A111298 * A040213 A362409 A097532
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 22 2014
STATUS
approved