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A241248
Number of n X n 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
0
2, 5, 13, 120, 3404, 124372, 13138271, 8317272277
OFFSET
1,1
COMMENTS
Diagonal of A241255
EXAMPLE
Some solutions for n=4
..3..3..2..2....2..2..3..3....2..2..3..3....2..2..3..3....3..3..2..2
..2..1..3..1....3..1..0..2....0..0..2..1....3..1..0..2....2..1..3..1
..2..2..2..2....3..2..1..2....0..3..2..3....3..2..1..2....2..2..0..2
..2..0..0..2....3..2..1..2....3..2..1..2....2..2..3..2....0..0..3..2
CROSSREFS
Sequence in context: A090472 A120266 A230518 * A275698 A186450 A065797
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved