deletions | additions       diff --git a/Primality.tex b/Primality.tex  index e779e9d..fc0bb42 100644  --- a/Primality.tex  +++ b/Primality.tex 
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Task: construct a sieve of Sieve of Eratosthenes style algorithm which uses this concept as a test for primality?  Information required: The appending patterns of the form $d_1d_2...d_N;n$. This is a big task.  The special primes, are apprently $OEIS:A004023$, and this has already been investigated from the references there.