¿What mathematics do I apply to the formula so that a function removes the zeros from the list of numbers it produces?

I mean something strictly mathematical and not an algorithmic routine. For example The function f(n) produces 1,2,0,0,0,5,0,1,3,8,9,0,0, ... I need the function f(n) remove the zeros and...

17 November 2021 8,370 5 View