maths.odd_sieve
===============

.. py:module:: maths.odd_sieve


Functions
---------

.. autoapisummary::

   maths.odd_sieve.odd_sieve


Module Contents
---------------

.. py:function:: odd_sieve(num: int) -> list[int]

   Returns the prime numbers < `num`. The prime numbers are calculated using an
   odd sieve implementation of the Sieve of Eratosthenes algorithm
   (see for reference https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes).

   >>> odd_sieve(2)
   []
   >>> odd_sieve(3)
   [2]
   >>> odd_sieve(10)
   [2, 3, 5, 7]
   >>> odd_sieve(20)
   [2, 3, 5, 7, 11, 13, 17, 19]