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 A086176 #11 Sep 08 2022 08:45:11 %S A086176 1,4,10,20,22,28,34,38,46,56,62,92,98,112,146,148,154,166,170,176,178, %T A086176 200,208,254,256,260,262,266,284,340,346,352,364,394,406,412,418,460, %U A086176 476,500,514,524,548,550,560,574,584,586,590,610,614,620,656,664,698 %N A086176 Numbers n such that n*prime(n)+3 is prime. %C A086176 See also A086172, A086173, A086174, A086175, A086177. %H A086176 Vincenzo Librandi, <a href="/A086176/b086176.txt">Table of n, a(n) for n = 1..1000</a> %t A086176 Select[Range[1000], PrimeQ[ # Prime[ # ]+3]&] %o A086176 (Magma) [n: n in [1..800] | IsPrime(n*NthPrime(n) + 3)]; // _Vincenzo Librandi_, Oct 05 2012 %Y A086176 Cf. A086172, A086173, A086174, A086175, A086177. %K A086176 easy,nonn %O A086176 1,2 %A A086176 _Zak Seidov_, Jul 11 2003