OFFSET
1,3
COMMENTS
The sequence starts with a(1) = 0 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..1060
EXAMPLE
There are 0 digit between "8" and "80"; there is 1 digit between the "8" of "80" and the "8" of "81" (this is the "0" of "80"); there are 2 digits between the "8" of "81" and the "8" of "82" (they are the "1" of "81" and the "9" of "9"); there are 3 digits between the "8" of "82" and the "8" of "83" (they are the "2" of "82", the "1" of "10" and the "0" of "10"); etc.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Eric Angelini and Jean-Marc Falcoz, Dec 02 2016
STATUS
approved