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!)
A186536 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant 10
81, 554, 554, 4020, 8410, 4020, 28522, 129762, 129762, 28522, 203346, 2004390, 4456218, 2004390, 203346, 1448300, 30642746, 150041994, 150041994, 30642746, 1448300, 10317234, 471337960, 5043895240, 11180777496, 5043895240, 471337960 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.........81...........554............4020............28522............203346
........554..........8410..........129762..........2004390..........30642746
.......4020........129762.........4456218........150041994........5043895240
......28522.......2004390.......150041994......11180777496......819481009820
.....203346......30642746......5043895240.....819481009820...132204817900858
....1448300.....471337960....169733268904...60763226187367.21417901169134908
...10317234....7226974262...5709526227226.4470558553054728
...73494218..110986523654.192072734086538
..523535260.1703101107186
.3729392026
LINKS
EXAMPLE
Some solutions for 4X3
..0..2..0....1..1..0....0..1..1....1..0..1....2..0..1....0..2..0....0..1..1
..2..1..0....2..0..1....2..2..2....2..1..0....0..2..1....2..1..1....1..2..0
..0..2..2....1..1..0....0..2..1....0..1..1....0..1..0....0..2..1....1..2..2
..2..2..2....1..1..1....1..2..1....2..0..2....2..2..0....1..0..1....0..2..1
CROSSREFS
Sequence in context: A235584 A231973 A205894 * A186528 A253294 A253164
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 23 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 February 29 02:52 EST 2024. Contains 370401 sequences. (Running on oeis4.)