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A202927
Number of nX4 0..2 arrays with adjacent row and column sums unequal
1
24, 2444, 194636, 14394092, 1032147416, 72961197604, 5108912536716, 355319989467096, 24594054479225084, 1696354402524087764, 116689792549722046964, 8009869338667569120504, 548878921109534525040696
OFFSET
1,1
COMMENTS
Column 4 of A202931
LINKS
EXAMPLE
Some solutions for n=3
..0..0..2..1....1..0..0..2....0..0..0..0....0..0..2..2....0..0..1..0
..2..0..2..1....0..1..1..0....0..0..1..1....2..2..0..2....1..2..0..2
..2..2..1..2....0..2..1..1....0..1..2..0....0..1..2..1....0..1..0..2
CROSSREFS
Sequence in context: A054005 A107675 A173115 * A354106 A336864 A008977
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 26 2011
STATUS
approved