OFFSET
1,1
COMMENTS
(9/5)^(n/4) <= a(n) <= 2*(3/2)^n.
LINKS
Anurag Bishnoi, The Trifference Problem.
Stefano Della Fiore, Alessandro Gnutti and Sven Polak, The maximum cardinality of trifferent codes with lengths 5 and 6, Examples and Counterexamples, 2 (2022).
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Lorenzo Sauras Altuzarra, Mar 26 2023
STATUS
approved