Primal Series

Question: PRIMAL SERIES
Decide what the next 5 figures in this series should be: 0110101000101000101000

 

Answer:

10000
The title holds a hint, although this is still a tough puzzle. The series begins with the number 1, & continues through 22, giving a 1 for each prime number, & a 0 for each number that is not prime.


Of the last 5 numbers (23-27), only 23 is prime.


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