OFFSET
1,1
REFERENCES
CRC Handbook of Combinatorial Designs, 1996, p. 315. (But beware errors!)
LINKS
J. B. Shearer, Difference Triangle Sets: Known optimal solutions.
J. B. Shearer, Difference Triangle Sets: Discoverers
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
EXTENSIONS
Corrected from Shearer's tables. - N. J. A. Sloane, Jan 08 2014
STATUS
approved