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!)
A202636 T(n,k)=Number of nXk 0..3 arrays with adjacent row and column sums unequal 6
4, 12, 12, 36, 184, 36, 108, 2428, 2428, 108, 324, 32676, 143028, 32676, 324, 972, 443100, 8196796, 8196796, 443100, 972, 2916, 5967248, 464590190, 1960824272, 464590190, 5967248, 2916, 8748, 80018540, 26143599304, 459796683544 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.....4.........12............36.............108.............324.............972
....12........184..........2428...........32676..........443100.........5967248
....36.......2428........143028.........8196796.......464590190.....26143599304
...108......32676.......8196796......1960824272....459796683544.106682611433736
...324.....443100.....464590190....459796683544.443471777729100
...972....5967248...26143599304.106682611433736
..2916...80018540.1464347535012
..8748.1071819720
.26244
LINKS
EXAMPLE
Some solutions for n=3 k=3
..2..3..0....0..2..2....0..1..1....3..2..2....2..2..0....3..2..1....2..3..2
..3..3..1....0..1..1....0..0..1....1..2..3....2..3..3....2..0..1....3..1..2
..0..1..0....3..1..2....2..2..0....0..1..2....1..3..2....2..3..1....0..0..2
CROSSREFS
Sequence in context: A261695 A209047 A209019 * A239194 A355801 A357727
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 21 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 14 12:10 EDT 2024. Contains 374318 sequences. (Running on oeis4.)