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A240425
Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4
1
38, 684, 11573, 203213, 3577618, 63110993, 1115948342, 19752407566, 349830659344, 6197897583100, 109829351050815, 1946455635054116, 34498648643186681, 611474938386688769, 10838439730681967704
OFFSET
1,1
COMMENTS
Column 4 of A240427
LINKS
EXAMPLE
Some solutions for n=3
..2..0..2..2....0..0..2..0....2..0..2..2....0..3..3..2....0..0..2..2
..2..2..0..0....2..0..2..2....2..0..0..1....0..3..3..2....0..3..2..0
..3..2..0..0....0..2..2..2....0..2..0..2....3..2..1..2....3..3..2..0
CROSSREFS
Sequence in context: A020931 A089271 A195912 * A269010 A010954 A035714
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved