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A240378
Number of nX3 0..3 arrays with no element equal to zero 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
4, 38, 330, 2066, 16994, 116030, 884792, 6273952, 46648918, 335571098, 2468592214, 17883911418, 130889355348, 951392168734, 6947056359884, 50571064277718, 368890128041664, 2687133002363550, 19592211767424272, 142760104420636614
OFFSET
1,1
COMMENTS
Column 3 of A240381
LINKS
EXAMPLE
Some solutions for n=4
..1..3..1....3..1..1....3..1..1....3..1..3....3..1..3....1..3..3....1..3..1
..1..3..1....3..2..2....2..1..0....3..2..2....3..0..0....1..0..0....1..2..0
..1..2..2....1..2..0....1..3..1....3..2..2....3..2..2....1..0..0....3..0..2
..2..0..0....3..0..2....1..0..3....2..0..3....1..2..2....3..2..3....1..0..2
CROSSREFS
Sequence in context: A240287 A092642 A020865 * A220807 A221021 A155859
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved