Smarandache-Wellin primes: Difference between revisions

m
"4..20" was only from two-part implementations, task shd just say "first 20"
(→‎{{header|Wren}}: Merged the two previous solutions into one and also do extended stretch goal.)
m ("4..20" was only from two-part implementations, task shd just say "first 20")
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Find and show the index in the sequence (starting from 1), the total number of digits and the last prime used to form the fourth, fifth, sixth, seventh and (optionally) the eighth S-W numbers which are prime or probably prime with reasonable certainty. It is unknown whether there are any more but, if you fancy searching for one, good luck! You can start from an index of 22,077.
 
Also find and show the fourth up to the twentiethfirst twenty Derived S-W numbers which are prime and their index in the sequence.
 
; References
7,794

edits