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 A181669 #11 Jul 01 2022 11:07:44
%S A181669 5,11,23,47,59,107,167,179,227,347,359,839,1019,1319,1367,1487,1619,
%T A181669 2027,2207,2999,3119,3167,3467,4127,4259,4547,4787,4799,5099,5639,
%U A181669 5879,6659,6779,6827,7559,8819,10007,10607,11699,12107,12539,14387,14867,15287,15647
%N A181669 Primes p of the form 6n-1 such that p-1 is a semiprime and p+2 is prime or prime squared.
%C A181669 Except term 7, same as A181602.
%t A181669 Select[6*Range[3000]-1,PrimeQ[#]&&PrimeOmega[#-1]==2&&AnyTrue[ {#+2,Sqrt[ #+2]},PrimeQ]&] (* _Harvey P. Dale_, Jul 01 2022 *)
%K A181669 nonn
%O A181669 1,1
%A A181669 _Giovanni Teofilatto_, Nov 18 2010