2 papers
math.NT2024
The Comma Sequence: A Simple Sequence With Bizarre Properties
Eric Angelini, Michael S. Branicky, Giovanni Resta +2
The ``comma sequence'' starts with 1 and is defined by the property that if k and k' are consecutive terms, the two-digit number formed from the last digit of k and the first digit…
math.NT2019
"Choix de Bruxelles": A New Operation on Positive Integers
Eric Angelini, Lars Blomberg, Charlie Neder +2
The "Choix de Bruxelles" operation replaces a positive integer n by any of the numbers that can be obtained by halving or doubling a substring of the decimal representation of n. F…