A205180 Number of (n+1)X8 0..3 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards

53679123, 111837040063, 109442756670711, 101000321566625809, 77180383679719759430

Offset

1,1

Comments

Column 7 of A205181

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=4
..0..2..0..3..3..2..3..1....3..0..3..1..1..1..3..1....2..2..0..2..3..2..2..1
..1..0..3..3..0..3..0..3....0..1..3..0..3..0..3..3....2..1..3..0..3..0..3..2
..2..3..0..3..3..3..3..2....3..0..3..2..2..2..2..3....2..3..0..3..0..3..3..2
..0..3..3..0..3..0..3..1....1..1..1..3..3..3..3..3....3..0..3..1..3..1..2..3
..2..1..2..3..3..3..2..3....0..3..3..2..2..2..2..3....1..3..0..3..0..3..3..2

Crossrefs

Sequence in context: A004672 A029824 A186596 * A216007 A186794 A345719

Adjacent sequences: A205177 A205178 A205179 * A205181 A205182 A205183

Keyword

nonn

Author

R. H. Hardin Jan 22 2012

Status

approved