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A224967
Number of (n+1)X(n+1) 0..3 matrices with each 2X2 permanent equal
0
256, 11196, 1417535, 4560581070, 14139394308728, 848170732137764831, 48673249025229489837168, 50198078741040638898913117046, 52964434709981516539278316299135035
OFFSET
1,1
COMMENTS
Diagonal of A224975
EXAMPLE
Some solutions for n=2
..3..1..0....2..0..2....1..2..3....2..2..0....3..0..3....2..2..3....3..0..3
..0..0..0....0..0..2....2..0..2....0..3..3....0..3..2....3..0..3....0..0..0
..1..2..2....3..0..2....3..2..3....2..1..1....3..3..1....3..2..2....3..0..0
CROSSREFS
Sequence in context: A237966 A205936 A264496 * A205652 A284032 A205089
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 21 2013
STATUS
approved