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 A230227 #11 Jun 28 2015 10:18:41 %S A230227 5,7,11,13,17,19,23,31,37,41,47,53,59,61,67,79,83,89,97,101,107,109, %T A230227 131,137,151,157,163,167,173,191,193,199,223,229,251,257,269,277,283, %U A230227 307,313,317,331,347,353,367,373,397,401,409 %N A230227 Primes p with 3*p - 10 also prime. %C A230227 Conjecture: For any integer n > 4 not equal to 76, we have 2*n = p + q for some terms p and q from the sequence. %C A230227 This is stronger than Goldbach's conjecture for even numbers. %H A230227 Zhi-Wei Sun, <a href="/A230227/b230227.txt">Table of n, a(n) for n = 1..10000</a> %H A230227 Zhi-Wei Sun, <a href="http://arxiv.org/abs/1211.1588">Conjectures involving primes and quadratic forms</a>, preprint, arXiv:1211.1588. %e A230227 a(1) = 5 since 3*5 - 10 = 5 is prime. %t A230227 PQ[p_]:=PQ[p]=p>3&&PrimeQ[3p-10] %t A230227 m=0 %t A230227 Do[If[PQ[Prime[n]],m=m+1;Print[m," ",Prime[n]]],{n,1,80}] %t A230227 Select[Prime[Range[100]],PrimeQ[3#-10]&] (* _Harvey P. Dale_, Jun 28 2015 *) %Y A230227 Cf. A000040, A002375, A230138, A230140, A230141, A230217, A230219, A230223, A230224, A230230. %K A230227 nonn %O A230227 1,1 %A A230227 _Zhi-Wei Sun_, Oct 12 2013