OFFSET
1,2
COMMENTS
The sequence starts with a(1) = 1 and is always extended with the smallest integer not yet present that does not lead to a contradiction.
LINKS
Jean-Marc Falcoz, Table of n, a(n) for n = 1..1061
EXAMPLE
There are 0 digit between "10" and "0"; there is 1 digit between the "0" of "0" and the "0" of "20" (this is the "2" of "20"); there are 2 digits between the "0" of "20" and the "0" of "110" (they are the two "1"s of "110"); there are 3 digits between the "0" of "110" and the "0" of "30" (they are the two "1"s of "11" and the "3" of “30”); etc.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Eric Angelini and Jean-Marc Falcoz, Dec 02 2016
STATUS
approved