A224975 T(n,k) is the number of (n+1) X (k+1) 0..3 matrices with each 2 X 2 permanent equal.

256, 912, 912, 3067, 11196, 3067, 13654, 110253, 110253, 13654, 59330, 1777586, 1417535, 1777586, 59330, 294349, 26732072, 49673755, 49673755, 26732072, 294349, 1450678, 435788333, 946613919, 4560581070, 946613919, 435788333, 1450678

Offset

1,1

Comments

Table starts

.....256..........912...........3067.............13654................59330

.....912........11196.........110253...........1777586.............26732072

....3067.......110253........1417535..........49673755............946613919

...13654......1777586.......49673755........4560581070.........226665118676

...59330.....26732072......946613919......226665118676.......14139394308728

..294349....435788333....27297398415....16533408013041.....2261199424343729

.1450678...6995454550...603337019865..1006241870944880...186370133088417660

.7519806.113660299418.15860938451645.68438742000698746.24455901660390402808

Links

R. H. Hardin, Table of n, a(n) for n = 1..180

Example

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

Crossrefs

Sequence in context: A209381 A236987 A236980 * A237090 A224968 A237083

Adjacent sequences: A224972 A224973 A224974 * A224976 A224977 A224978

Keyword

nonn,tabl

Author

R. H. Hardin, Apr 21 2013

Status

approved