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A241393
Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of 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
1
4, 9, 29, 97, 340, 1156, 4068, 14763, 52950, 190950, 687442, 2476661, 8922447, 32121858, 115744464, 416837976, 1501406960, 5406257970, 19472791326, 70130249296, 252570497669, 909559808019, 3275792914936, 11797588596607
OFFSET
1,1
COMMENTS
Column 3 of A241397
LINKS
EXAMPLE
Some solutions for n=4
..2..3..2....3..2..2....3..2..2....2..3..3....3..2..2....2..3..3....3..2..2
..2..1..0....1..2..0....2..1..0....2..3..2....1..2..0....2..3..2....1..2..0
..2..3..2....3..0..0....1..3..2....2..0..0....2..3..0....2..1..0....3..0..0
..2..1..2....2..0..0....1..0..3....2..0..0....1..3..2....2..3..0....3..2..2
CROSSREFS
Sequence in context: A059345 A127768 A231255 * A186650 A091658 A297960
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 20 2014
STATUS
approved