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A205206 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 8
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 (list; table; graph; refs; listen; history; text; internal format)
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

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Last modified May 18 03:30 EDT 2022. Contains 353783 sequences. (Running on oeis4.)