A205275 Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

23244, 2940732, 390106512, 39435964246, 3697283479275, 284242642223529, 20121138995499259, 1250442099302828578, 72320360290510095168, 3818468956903932960671, 189710894331601371183344

Offset

1,1

Comments

Column 3 of A205277

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A075784 A126301 A205176 * A133968 A337784 A333746

Adjacent sequences: A205272 A205273 A205274 * A205276 A205277 A205278

Keyword

nonn

Author

R. H. Hardin Jan 24 2012

Status

approved