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!)
A011992 (n,3,2) difference families over Z_n. 0
2, 0, 0, 0, 0, 4, 9, 0, 9, 71, 0, 0, 201, 0, 175, 0, 0, 2939, 19543, 0, 10841, 609483 (list; graph; refs; listen; history; text; internal format)
OFFSET
7,1
REFERENCES
CRC Handbook of Combinatorial Designs, 1996, p. 285.
LINKS
CROSSREFS
Sequence in context: A028617 A261470 A006792 * A318329 A107503 A350731
KEYWORD
nonn,hard
AUTHOR
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 25 10:47 EDT 2024. Contains 371967 sequences. (Running on oeis4.)