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 A152863 #8 Jul 22 2025 06:16:20 %S A152863 2,3,7,9,10,14,15,16,18,23,28,34,35,36,40,41,42,43,50,51,52,55,56,57, %T A152863 59,63,71,75,76,77,80,85,86,87,92,96,103,104,115,118,119,121,122,132, %U A152863 138,143,150,151,158,163,166,175,176,180,181,196,202,204,205,206,208 %N A152863 Numbers for which A000695(p_n) are primes, where p_n is the n-th prime. %o A152863 (PARI) a000695(n) = fromdigits(binary(n), 4); %o A152863 isok(n) = isprime(a000695(prime(n))); \\ _Michel Marcus_, Dec 18 2018 %Y A152863 Cf. A152078, A077718. %K A152863 nonn %O A152863 1,1 %A A152863 _Vladimir Shevelev_, Dec 14 2008 %E A152863 More terms from _Michel Marcus_, Dec 18 2018