login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A184386 T(n,k)=1/12 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing three of each value 10
140, 545, 545, 2174, 1494, 2174, 9113, 4281, 4281, 9113, 43295, 13616, 8936, 13616, 43295, 212747, 55386, 21473, 21473, 55386, 212747, 1096781, 242370, 73139, 38642, 73139, 242370, 1096781, 6045233, 1165496, 280347, 104312, 104312, 280347 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......140.......545......2174......9113....43295..212747.1096781.6045233

.......545......1494......4281.....13616....55386..242370.1165496.6248040

......2174......4281......8936.....21473....73139..280347.1245641.6472317

......9113.....13616.....21473.....38642...104312..336236.1348574.6736118

.....43295.....55386.....73139....104312...207470..503298.1633604.7390644

....212747....242370....280347....336236...503298..890982.2168744.8382192

...1096781...1165496...1245641...1348574..1633604.2168744.3651098

...6045233...6248040...6472317...6736118..7390644.8382192

..33958643..34487190..35048783..35668172.37119266

.194694395.195981866.197315495.198726728

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..97

EXAMPLE

Some solutions with a(1,1)=0 for 5X4

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

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

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

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

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

CROSSREFS

Sequence in context: A010080 A350210 A250801 * A184378 A180294 A330446

Adjacent sequences:  A184383 A184384 A184385 * A184387 A184388 A184389

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 12 2011

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 January 28 23:12 EST 2022. Contains 350670 sequences. (Running on oeis4.)