e/Undulating number

Information
has gloss	eng: An undulating number is a number that has the digit form ababab... when in the base 10 number system. It is sometimes restricted to non-trivial undulating numbers which are required to have at least 3 digits and a ≠ b. The first 20 such numbers are:
lexicalization	eng: undulating number
instance of	c/Base-dependent integer sequences

Meaning
French
has gloss	fra: En mathématiques, un nombre ondulant est un nombre quelconque qui est de la forme ababab... en base 10.
lexicalization	fra: Nombre Ondulant