OFFSET
0,2
COMMENTS
This is the distance 3 lexicode over the decimal alphabet. - N. J. A. Sloane, Jul 20 2021
LINKS
Rémy Sigrist, Table of n, a(n) for n = 0..9999
J. H. Conway, Integral lexicographic codes, Discrete Mathematics 83.2-3 (1990): 219-235. See paragraph 3.
J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.
Rémy Sigrist, C program for A333568
PROG
(C) See Links section.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Jun 09 2020
STATUS
approved