OFFSET
1,2
LINKS
David A. Corneth, Table of n, a(n) for n = 1..10000 (first 1000 terms from Harvey P. Dale)
EXAMPLE
338 = 200_13 is in the sequence as it has distinct run lengths of distinct digits (2, 1). - David A. Corneth, Jan 04 2021
MATHEMATICA
Select[Range[400], Union[Tally[Length/@Split[IntegerDigits[#, 13]]][[All, 2]]] == {1}&] (* Harvey P. Dale, Sep 15 2020 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved