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!)
A183697 Number of (n+1)X9 0..2 arrays with every 2X2 subblock nonsingular 1
19165418, 43352455562, 95843840904146, 213413389362873662, 474135214633449382230, 1054127029029754862576918, 2343065856411597861794635150, 5208444026905229671830632661366 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A183698
LINKS
EXAMPLE
Some solutions for 3X9
..1..0..1..1..0..2..2..2..2....1..0..1..1..0..1..2..1..2
..0..1..0..1..1..0..1..2..0....0..1..0..1..1..2..1..2..2
..1..0..1..0..2..1..0..2..1....1..0..1..0..1..1..1..0..1
CROSSREFS
Sequence in context: A251389 A138025 A184790 * A022248 A224627 A038683
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 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 26 17:57 EST 2024. Contains 370352 sequences. (Running on oeis4.)