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A204872
Number of (n+1)X5 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero
1
4245, 59377, 337179, 4256141, 27234451, 320519921, 2202663919, 24594710265, 178262716197, 1908403361999, 14428513045669, 149296331841799, 1167961003297865, 11758011950915007, 94576473600785487, 931361805008041727
OFFSET
1,1
COMMENTS
Column 4 of A204876
LINKS
EXAMPLE
Some solutions for n=4
..3..3..3..0..3....1..2..3..1..0....3..3..3..1..2....0..1..0..1..1
..2..0..2..2..2....1..1..0..1..3....0..3..0..3..3....3..1..3..1..2
..0..3..2..1..2....0..3..3..0..3....3..0..3..0..3....3..0..3..0..3
..2..3..0..3..0....1..1..0..1..2....2..3..3..3..1....0..1..1..1..2
..2..0..2..1..2....3..0..3..0..3....3..0..3..0..3....3..0..3..0..3
CROSSREFS
Sequence in context: A108007 A254880 A184684 * A204638 A205995 A237805
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2012
STATUS
approved