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!)
A186796 T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having a sum in 2..7 10
246, 1910, 1910, 14825, 29020, 14825, 115069, 440505, 440505, 115069, 893145, 6687805, 13066921, 6687805, 893145, 6932452, 101532811, 387763760, 387763760, 101532811, 6932452, 53808589, 1541462868, 11506373601, 22495797451 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.........246...........1910..............14825................115069
........1910..........29020.............440505...............6687805
.......14825.........440505...........13066921.............387763760
......115069........6687805..........387763760...........22495797451
......893145......101532811........11506373601.........1304974153960
.....6932452.....1541462868.......341441530745........75702797880635
....53808589....23402344941.....10131963654512......4391582264258067
...417653681...355292192013....300656729278809....254759386224257430
..3241761282..5394012633636...8921712703662435..14778806361675616311
.25162034228.81891392695720.264743644646633613.857331004466757829463
LINKS
EXAMPLE
Some solutions for 5X4 with a(1,1)=0
..0..0..0..1....0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..0....1..1..1..1....0..1..1..0....1..1..1..0....0..0..0..1
..1..1..1..1....0..1..1..0....1..1..0..1....1..0..0..1....1..1..0..0
..1..0..0..0....0..0..1..1....1..1..0..0....0..0..0..1....1..1..1..1
..0..1..0..0....0..1..1..1....1..0..0..1....0..1..0..1....0..0..1..1
CROSSREFS
Sequence in context: A231965 A067916 A229577 * A186788 A074995 A251524
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 26 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 April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)