A224967 Number of (n+1)X(n+1) 0..3 matrices with each 2X2 permanent equal

256, 11196, 1417535, 4560581070, 14139394308728, 848170732137764831, 48673249025229489837168, 50198078741040638898913117046, 52964434709981516539278316299135035

Offset

1,1

Comments

Diagonal of A224975

Links

Table of n, a(n) for n=1..9.

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

Adjacent sequences: A224964 A224965 A224966 * A224968 A224969 A224970

Keyword

nonn

Author

R. H. Hardin Apr 21 2013

Status

approved