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A204873
Number of (n+1)X6 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero
1
12241, 219871, 1912223, 27234451, 282748327, 3677014705, 41067117035, 514372854783, 5938466697393, 73228672432163, 859408349572671, 10529539488838707, 124718287347275147, 1524137959225376351
OFFSET
1,1
COMMENTS
Column 5 of A204876
LINKS
EXAMPLE
Some solutions for n=4
..3..2..0..2..3..3....0..3..0..3..2..2....2..2..1..2..1..3....0..1..0..1..2..1
..3..0..3..2..0..2....2..1..2..0..2..1....0..2..1..2..1..1....2..2..2..0..2..0
..1..2..3..0..3..2....2..2..2..3..2..2....2..2..1..2..1..3....1..0..1..1..1..1
..3..0..3..2..3..0....2..1..2..0..2..1....0..2..1..2..1..1....2..2..0..2..0..2
..0..2..3..0..3..2....2..2..2..3..0..3....2..2..1..2..1..3....1..0..1..1..1..0
CROSSREFS
Sequence in context: A035915 A104791 A338950 * A135128 A166000 A252500
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2012
STATUS
approved