login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A205293 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents 9
81, 476, 476, 2766, 4836, 2766, 15728, 45914, 45914, 15728, 89630, 426086, 695725, 426086, 89630, 511044, 3972556, 10133550, 10133550, 3972556, 511044, 2913944, 37114078, 150096812, 234138348, 150096812, 37114078, 2913944, 16611380 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......81........476.........2766..........15728.............89630

......476.......4836........45914.........426086...........3972556

.....2766......45914.......695725.......10133550.........150096812

....15728.....426086.....10133550......234138348........5509720956

....89630....3972556....150096812.....5509720956......207765391957

...511044...37114078...2227575108...130143053648.....7855617242012

..2913944..346714732..33047965838..3070051844636...296866931188932

.16611380.3237486306.489959337766.72396270820102.11214042190996292

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=4 k=3

..2..2..0..0....2..1..0..0....1..0..2..2....0..0..1..0....2..1..0..0

..1..0..2..1....0..1..1..0....2..1..0..2....1..1..2..2....0..2..1..2

..2..1..1..2....1..1..1..1....2..0..1..1....2..2..2..2....1..2..1..0

..2..2..1..2....2..1..0..2....1..2..1..0....2..1..1..0....1..2..2..1

..1..1..2..2....0..2..2..2....2..1..0..2....1..1..1..1....0..1..0..2

CROSSREFS

Sequence in context: A237678 A236635 A236775 * A205286 A253407 A253400

Adjacent sequences:  A205290 A205291 A205292 * A205294 A205295 A205296

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 25 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 21 06:42 EDT 2019. Contains 322310 sequences. (Running on oeis4.)