A205206 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards

81, 491, 491, 2830, 6138, 2830, 14206, 71355, 71355, 14206, 68508, 717013, 1649549, 717013, 68508, 311076, 7041879, 30972970, 30972970, 7041879, 311076, 1375313, 65935448, 560385415, 1099532113, 560385415, 65935448, 1375313, 5904417

Offset

1,1

Comments

Table starts

......81........491..........2830............14206..............68508

.....491.......6138.........71355...........717013............7041879

....2830......71355.......1649549.........30972970..........560385415

...14206.....717013......30972970.......1099532113........37528599466

...68508....7041879.....560385415......37528599466......2353566223899

..311076...65935448....9153899777....1157042727456....131318571494136

.1375313..615253868..145848261106...35240339480238...7124820848193635

.5904417.5678303205.2212185100843.1030433806412241.363421762269355745

Links

R. H. Hardin, Table of n, a(n) for n = 1..112

Example

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

Crossrefs

Column 1 is A205057

Sequence in context: A235842 A235838 A304617 * A205063 A205057 A235756

Adjacent sequences: A205203 A205204 A205205 * A205207 A205208 A205209

Keyword

nonn,tabl

Author

R. H. Hardin Jan 23 2012

Status

approved