A346001 Lexicographically earliest sequence of nonnegative integers such that two distinct terms differ by at least 5 decimal digits.

0, 11111, 22222, 33333, 44444, 55555, 66666, 77777, 88888, 99999, 101234, 110325, 123016, 132107, 145670, 154761, 167452, 176543, 202318, 213209, 220153, 231042, 246735, 257624, 264580, 275491

Offset: 1

Author

N. J. A. Sloane, Jul 20 2021

Keywords

• nonn
• base

Comments

This is the distance 5 lexicode over the decimal alphabet.

Links

• J. H. Conway, Integral lexicographic codes, Discrete Mathematics 83.2-3 (1990): 219-235.
• 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.

Crossrefs

Lexicodes of minimal distance 1,2,3,... over alphabets of size 2: A001477, A001969, A075926, A075928, A075931, A075934, ...; size 3: A001477, A346002, A346003; size 10: A001477, A343444, A333568, A346000, A346001.

Programs

Maple

(See A346000)