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Forum: Probability & Probabilistic Number Theory 2015-10-17, 21:24
Replies: 6
Views: 6,794
Posted By ewmayer
The prime-odds have just been raised! (Actually...

The prime-odds have just been raised! (Actually the odds remain the same, it is my estimate thereof which has increased.)



That statement neglects that by construction, the remaining terms are...
Forum: Probability & Probabilistic Number Theory 2015-10-09, 04:00
Replies: 6
Views: 6,794
Posted By ewmayer
Thanks, sm88 - did not see that thread...

Thanks, sm88 - did not see that thread previously, but see nothing useful about #primes estimation in it. The MacPhee comment restates my note about only 4 n's per 30 possibly yielding a prime.
Forum: Probability & Probabilistic Number Theory 2015-10-09, 01:50
Replies: 6
Views: 6,794
Posted By ewmayer
Expected number of primes in OEIS A007908

Recently Neil Sloane (curator of the OEIS) sent a message to the NMBRTHRY mailing list re. the sequence A007908 (https://oeis.org/A007908):


Based on the sequence comments, I see our own Charles...
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