This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A092066 #13 Jul 22 2025 10:32:23 %S A092066 2,3,5,7,43,131,229,257,823,1181,2269,2801 %N A092066 Primes in A092065. %o A092066 (PARI) f(n)= my(s=0); for(i=1,n,s=s+1/(prime(i)-i));return(s); %o A092066 for (i=1,500,if(isprime(i) && isprime(numerator(f(i))),print1(i,","))); %Y A092066 Cf. A092065. %K A092066 nonn,hard,more %O A092066 1,1 %A A092066 Mohammed Bouayoun (mohammed.bouayoun(AT)sanef.com), Feb 20 2004 %E A092066 a(9)-a(12) from _Amiram Eldar_, Jul 22 2025