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A240280
Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4
1
2, 19, 80, 262, 1461, 5443, 24490, 117962, 459193, 2147788, 9481211, 39404594, 181740410, 780110007, 3374455576, 15188622683, 65126163196, 286616870440, 1266986470030, 5476212217332, 24183642014347, 105926526183355
OFFSET
1,1
COMMENTS
Column 3 of A240284
LINKS
EXAMPLE
Some solutions for n=4
..3..3..1....3..1..3....3..3..1....3..1..3....3..3..1....3..3..1....3..1..3
..3..2..1....2..1..2....2..2..2....3..1..2....2..2..0....2..0..0....3..1..0
..3..1..2....2..1..1....2..1..2....2..1..1....2..1..2....2..0..1....2..1..2
..2..1..3....3..3..1....3..3..0....3..3..2....3..1..0....3..3..1....3..3..1
CROSSREFS
Sequence in context: A226019 A057326 A129446 * A327820 A331898 A054570
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved