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 A152079 #9 Apr 28 2015 12:52:54 %S A152079 3,5,17,23,29,43,47,53,61,83,107,139,149,151,173,179,181,191,229,233, %T A152079 239,257,263,269,277,307,353,379,383,389,409,439,443,449,479,503,563, %U A152079 569,631,647,653,661,673,743,787,823,863,877,929,967,983 %N A152079 Primes p such that A000695(p) are also prime. %C A152079 Numbers a(n) are in A077718. Conjecture: The sequence contains infinitely many terms. %C A152079 Supporting the conjecture, there are 8398 terms up to a million, 56915 up to 10 million, 407875 terms up to 100 million, and 3135962 terms up to a billion. - _Charles R Greathouse IV_, Apr 28 2015 %H A152079 Charles R Greathouse IV, <a href="/A152079/b152079.txt">Table of n, a(n) for n = 1..10000</a> %o A152079 (PARI) A000695(n)=n=binary(n); sum(i=1, #n, n[i]*4^(#n-i)) %o A152079 is(n)=isprime(A000695(n)) && isprime(n) \\ _Charles R Greathouse IV_, Apr 28 2015 %Y A152079 Cf. A000695, A077718, A152021, A152022, A152023, A152078. %K A152079 nonn %O A152079 1,1 %A A152079 _Vladimir Shevelev_, Nov 23 2008 %E A152079 More terms derived from b000695.txt by _Michel Marcus_, Jun 02 2013