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 A133395 #6 Oct 13 2013 17:43:14
%S A133395 6,51,123,291,843,1371,1851,2811,5331,6243,6891,9411,18771,36483,
%T A133395 54291,63003,69171,72363,73443,76731,78963,128883,143643,151323,
%U A133395 187491,212523,229443,271443,292683,332931,361203,398163,418611,458331,477483,516963
%N A133395 Terms in A061725 that are of form 3*prime.
%C A133395 3|p^2+2 for all p except 3 hence 3|A061725(n) for all n except n=2. If p^2+2 is semiprime it is of form 3*prime.
%o A133395 (PARI) lista(nn) = {vec = vector(nn, i, prime(i)^2 + 2); pp = select(i->((bigomega(i) == 2) && !(i % 3)), vec); print(pp);} \\ _Michel Marcus_, Oct 13 2013
%Y A133395 Cf. A061725 (p^2+2 where p=prime).
%K A133395 nonn
%O A133395 1,1
%A A133395 _Zak Seidov_, Dec 22 2007
%E A133395 Typo in Comment corrected by Shai Covo (green355(AT)netvision.net.il), Oct 11 2010