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 A175606 #12 Apr 24 2022 02:31:55 %S A175606 1151,1451,1667,3251,3851,4019,5651,6359,6551,6959,7547,11351,11831, %T A175606 12251,13691,15731,15887,16451,17987,18131,18251,19751,20231,22091, %U A175606 26951,27539,28751,30851,31151,32831,35051,37571,38651,38711,40151,43319,44279,44771,45179 %N A175606 Primes p of the form 4*k+3 such that p+2 is prime and p-1 is nonsquarefree. %H A175606 Amiram Eldar, <a href="/A175606/b175606.txt">Table of n, a(n) for n = 1..10000</a> %t A175606 Select[Range[3,99299,4],!SquareFreeQ[ #-1]&&PrimeQ[ # ]&&PrimeQ[ #+2]&] %Y A175606 Subsequence of A071698. %Y A175606 Cf. A089188. %K A175606 nonn %O A175606 1,1 %A A175606 _Zak Seidov_, Jul 22 2010 %E A175606 Name corrected by _Amiram Eldar_, Apr 23 2022